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General introduction of alcohol, Phenol & Ethers
1. Butane- 2 - ol is [CPMT 1977, 89]
(a) Primary alcohol (b) Secondary alcohol
(c) Tertiary alcohol (d) Aldehyde
2. Picric acid is [CPMT 1971, 80, 81; DPMT 1983;
MP PMT 1990; BHU 1996]
(a) Trinitroaniline (b) Trinitrotoluene
(c) A volatile liquid (d) 2, 4, 6 trinitrophenol
3. 3 - pentanol is a [RPET 2002]
(a) Primary alcohol (b) Secondary alcohol
(c) Tertiary alcohol (d) None of these
4. Glycerol is a
[DPMT 1984, 2000; MP PET 2001; J & K 2005]
(a) Primary alcohol (b) Monohydric alcohol
(c) Secondary alcohol (d) Trihydric alcohol
5. Cresols are
(a) Hydroxy toluenes (b) Dihydric phenols
(c) Trihydric phenols (d) Trihydric alcohols
6. Carbon percentage is maximum in [BHU 1998]
(a) Pyrene (b) Gammexane
(c) Ethylene glycol (d) PVC
7. Ortho-dihydroxy benzene is
(a) Carvacrol (b) Resorcinol
(c) Catechol (d) Orcinol
8. Glycerine has
[MP PMT/PET 1988; MP PMT 1989, 91; AIIMS 1997]
(a) One primary and two secondary OH groups
(b) One secondary and two primary OH
groups
(c) Three primary OH groups
(d) Three secondary OH groups
9. Which of the following is tertiary alcohol [DPMT 2000]
(a)
CH OH
CH OH
CH OH
2
2
|
|
(b) CHOH
CH
CH
CH
CH CH
2
3
|
2
2
|
|
3 2
(c)
3
3
|
|
3
CH
CH
CH C OH (d) CH CH OH
3 2
10. Which is primary alcohol [CPMT 1980]
(a) Butane- 2 - ol (b) Butane- 1 - ol
(c) Propane- 2 - ol (d) Isopropyl alcohol
11. Carbinol is [RPMT 2000]
(a) C HOH
2 5
(b) CH OH
3
(c) CH CHOH
3 2
( ) (d)
3 2 3
CHCHCH ( OH ) CH
12. General formula of primary alcohol is [CPMT 1975]
(a) CHOH (b) C OH
(c) CH OH
2
(d)
OH
OH
C
13. Which of following is phenolic [J & K 2005]
(a) Phthalic acid (b) Phosphoric acid
(c) Picric acid (d) Phenylacetic acid
14. 1, 2, 3-trihydroxybenzene is also known as
(a) Pyrogallol (b) Phloroglucinol
(c) Resorcinol (d) Quinol
15. Butanal is an example of [MP PET 1991]
(a) Primary alcohol (b) Secondary alcohol
(c) Aliphatic aldehyde (d) Aliphatic ketone
16. Cyclohexanol is a
(a) Primary alcohol (b) Secondary alcohol
(c) Tertiary alcohol (d) Phenol
17. The characteristic grouping of secondary alcohols
is
[DPMT 1984]
(a) CH OH
2
(b) CHOH
(c) C OH
|
|
(d)
OH
C
OH
18. Which of the following are isomers
[AFMC 2005; BCECE 2005]
(a) Methyl alcohol and dimethyl ether
(b) Ethyl alcohol and dimethyl ether
(c) Acetone and acetaldehyde
(d) Propionic acid and propanone
19. The compound HOCH CH OH
2 2
is
(a) Ethane glycol (b) Ethylene glycol
(c) Ethylidene alcohol (d) Dimethyl alcohol
20. Methylated spirit is
(a) Methanol (b) Methanol + ethanol
(c) Methanoic acid (d) Methanamide
21. The structural formula of cyclohexanol is [Bihar CEE 1995]
(a) (b)
(c) (d)
CH 2 OH
CHOH
CH 2
CH
2
CH
2
H 2 C
H
2
C
CHOH
CH 2
CH
2
CH
2
H 2 C
H
2
C
22. Molecular formula of amyl alcohol is
(a) C H O
7 14
(b) C H O
6 13
(c) C H O
5 12
(d) C H O
5 10
23. Carbolic acid is [MP PET/PMT 1998; RPET 1999;
KCET (Engg./Med.) 1999; BHU 2000; MP PET 2003]
(a) Phenol (b) Phenyl benzoate
(c) Phenyl acetate (d) Salol
24. Absolute alcohol is [RPMT 1997]
(a) 100% pure ethanol
(b) 95% alcohol + 5% H O
2
(c) Ethanol + water + phenol
(d) 95% ethanol + 5% methanol
25. Which of the following is dihydric alcohol [DCE 2004]
(a) Glycerol (b) Ethylene glycol
(c) Catechol (d) Resorcinol
26. Wood spirit is known as [AFMC 2004]
(a) Methanol (b) Ethanol
(c) Acetone (d) Benzene
27. Oxygen atom in ether is [MP PMT/PET 1988]
(a) Very active (b) Replaceable
(c) Comparatively inert (d) Active
28. Which of the following is a simple ether [AFMC 1997]
(a)
3 3
CH OCH (b)
2 5 3
CHOCH
(c)
6 5 3
CHOCH (d)
6 5 2 5
CHOCH
29. An example of a compound with the functional
group ' O 'is [CPMT 1983]
(a) Acetic acid (b) Methyl alcohol
(c) Diethyl ether (d) Acetone
30. Which of the following do not contain an acyl
group
(a) Acid chloride (b) Amide
(c) Ester (d) Ether
31. Name of
3 2 2 2 3
( CH ) HC O CH CH CH
is
[MP PMT 1992]
(a) Isopropyl propyl ether (b) Dipropyl ether
(c) Di-isopropyl ether (d) Isopropyl propyl
ketone
32. Acetals are [BVP 2003]
(a) Ketones (b) Diethers
(c) Aldehyde (d) Hydroxy aldehydes
33. In ethers, the C – O – C bond angle is
(a)
o
180 (b)
o
90
(c)
o
110 (d)
o
160
34. According to Lewis concept of acids and bases,
ether is
[CPMT 1994]
(a) Acidic (b) Basic
(c) Neutral (d) Amphoteric
35. The compound which is not isomeric with diethyl
ether is
[IIT 1981; CPMT 1989; Bihar MEE 1995; MP PET 2001]
(a) n - propylmethyl ether (b) Butan- 1 - ol
(c) 2 - methylpropan- 2 - ol (d) Butanone
36. Structure of diethyl ether is confirmed by [DPMT 1985]
(a) Kolbe's synthesis (b) Frankland's
synthesis
(c) Wurtz's synthesis (d) Williamson's
synthesis
37. Fermentation is an [CPMT 1977; RPMT 1999]
(a) Endothermic reaction (b)Exothermic reaction
(c) Reversible reaction (d) None of these
38. Nitroglycerine is
(a) An ester (b) An alcohol
(c) A nitro compound (d) An acid
39. Which of the following are known as mercaptans
[Pb. PMT 2002]
(a) Thio-alcohols (b) Thio-ethers
(c) Thio-acids (d) Thio-aldehydes
Preparation of alcohol, Phenol and Ethers
1. Ethanol is prepared industrially by [MP PMT 1989]
(a) Hydration of ethylene (b)Fermentation of sugars
(c) Both the above (d) None of these
2. Ethyl alcohol is industrially prepared from
ethylene by
[CPMT 1985]
(a) Permanganate oxidation
(b) Catalytic reduction
(c) Absorbing in
2 4
HSO
followed by hydrolysis
(d) Fermentation
3. Propene,
3 2
CH CH CH can be converted to 1-
propanol by oxidation. Which set of reagents among
the following is ideal to effect the conversion [CBSE PMT 1991]
(a) Alkaline
4
KMnO
(b)
2 6
BH and alkaline
2 2
HO
(c) O / Zn
3
dust
(d)
4 4 2
OsO / CH , Cl
4. Which one of the following will produce a
primary alcohol by reacting with CH MgI
3
[MP PET 1991]
(a) Acetone (b) Methyl cyanide
(c) Ethylene oxide (d) Ethyl acetate
5. The fermentation of starch to give alcohol occurs
mainly with the help of [CPMT 1971; MH CET 1999; RPMT 2000]
(a)
2
O
(b) Air
(c)
2
CO (d) Enzymes
6. Coconut oil upon alkaline hydrolysis gives
[MP PET 1991; AFMC 2000; KCET 2001; BCECE 2005]
(a) Glycol (b) Alcohol
(c) Glycerol (d) Ethylene oxide
7. Which enzyme converts glucose and fructose both
into ethanol
[MP PMT 1989, 90, 96; CPMT 1983, 84, 86, 94;
O
C HMgBr HC CH A
H O
2
2 5 2 2
[MP PET 1994; CBSE PMT 1998]
(a) C HCHCHO
2 5 2
(b) C HCHCHOH
2 5 2 2
(c) C HCHOH
2 5 2
(d) C HCHO
2 5
30. Sodium benzene sulphonate reacts with NaOH and
then on acidic hydrolysis, it gives [Roorkee 1995; KCET 1998]
(a) Phenol (b) Benzoic acid
(c) Benzene (d) Disodium
benzaldehyde
31. Phenol is obtained by heating aqueous solution of
[MP PMT 1995]
(a) Aniline
(b) Benzene diazonium chloride
(c) Benzoic acid
(d) None of these
32. C HMgI 2 5
reacts with HCHO to form last product
[MP PMT 1991]
(a) CH CHO
3
(b) C HOH
3 7
(c)
3 3
CHCOCH (d)
3 3
CHCOOCH
33. Which one is not synthesized by Grignard reagent
[MP PET 1991]
(a) Primary alcohol (b) Secondary alcohol
(c) A ketone (d) An ester
34. Reaction of aqueous sodium hydroxide on (i) ethyl
bromide and (ii) chlorobenzene gives
(a) (i) Ethene and (ii) o - chlorophenol
(b) (i) Ethyl alcohol and (ii) o - chlorophenol
(c) (i) Ethyl alcohol and (ii) phenol
(d) (i) Ethyl alcohol an d(ii) no reaction
35. RMgBr on reaction with an excess of oxygen
followed by hydrolysis gives [Roorkee Qualifying 1998]
(a) RH (b) ROOR
(c) ROOH (d) ROH
36. The reaction between an ester and excess of
Grignard reagent shall finally result in a [UPSEAT 2000]
(a) Primary alcohol (b) Secondary alcohol
(c) Tertiary alcohol (d) Ketone
37. The compound that will react most readily with
NaOH to form methanol is [IIT-JEE (Screening) 2001]
(a)
CH N I
3 4
( ) (b)
3 3
CHOCH
(c)
CH S I
3 3
( ) (d) CH Cl
3 3
38. When 2-ethylanthraquinol dissolved in a mixture
of benzene and cyclohexanol is oxidised, the
product is [JIPMER 1999]
(a) Ethanol (b) Hydrogen peroxide
(c) Anthracene (d) None of these
39. Which gas is eliminated in fermentation [RPMT 1997]
(a)
2
O (b)
2
CO
(c)
2
N (d)
2
H
40. Action of nitrous acid with ethylamine produces [BHU 2000]
(a) Ethane (b) Ammonia
(c) Ethyl alcohol (d) Nitroethane
41. The product of reduction of benzaldehyde is
(a) Benzoic acid (b) Benzyl alcohol
(c) Benzene (d) Catechol
42. Commercially methanol is prepared by
[IIT 1984; MP PMT 1990; KCET 1992]
(a) Reduction of CO in presence of
2 3
ZnO. CrO
(b) Methane reacts with water vapours at C
o
900
in presence of Ni catalyst
(c) Reduction of HCHO by
4
LiAlH
(d) Reduction of HCHO by aqueous NaOH
43. Action of water in the presence of sulphuric acid
with the following alkenes
(i)
3
3
3
CH
CH
CH CH C and
(ii)
3 2
CH CH CH
gives
(a)
3
3
|
3 2
CH
CH
OH
CH CH C and (ii)
3
|
3
CH
OH
CH CH
(b) (i)
3
3
|
3
CH
CH
CH
OH
CH CH and
(ii) CH CH CHOH
3 2 2
(c) (i)
3
3
|
3
CH
CH
CH
OH
CH CH and (ii)
3
|
3
CH
OH
CH CH
(d) (i)
3
3
|
3 2
CH
CH
OH
CH CH C and
(ii) CH CH CHOH
3 2 2
44. From Williamson’s synthesis preparation of which
of following is possible
(a) Only symmetrical ethers (b)Only symmetrical ethers
(c) Both types (d) None of these
45. In the reaction ,
alkali
Ar OH Rx A A is
[MP PET 1994]
(a) An aldehyde (b) An aryl chloride
(c) An ether (d) A ketone
46. Williamson's synthesis is used to prepare
[DPMT 1976, 81, 82, 83, 84; CPMT 1976, 82]
(a) Acetone (b) Diethyl ether
(c) P.V.C. (d) Bakelite
47. When an alkyl halide is allowed to react with a
sodium alkoxide the product most likely is
[MP PMT 1996; EAMCET 1998]
(a) An aldehyde (b) A ketone
(c) An ether (d) A carboxylic acid
48. In Williamson's synthesis, ethoxyethane is
prepared by
[MP PMT 1995; BHU 2005]
(a) Passing ethanol over heated alumina
(b) Sodium ethoxide with ethyl bromide
(c) Ethyl alcohol with sulphuric acid
(d) Ethyl iodide and dry silver oxide
49. Formation of diethyl ether from ethanol is based
on a
[BVP 2003]
(a) Dehydration reaction
(b) Dehydrogenation reaction
(c) Hydrogenation reaction
(d) Heterolytic fission reaction
50. The compound formed when ethyl bromide is
heated with dry silver oxide is [MP PET/PMT 1988]
(a) Dimethyl ether (b) Diethyl ether
(c) Methyl alcohol (d) Ethyl alcohol
51. The reagent used for the preparation of higher
ether from halogenated ethers is [Tamil Nadu CET 2001]
(a) conc.
2 4
HSO
(b) Sodium alkoxide
(c) Dry silver oxide (d) Grignard reagent
52. Acetyl bromide reacts with excess of CHMgI 3
followed by treatment with a saturated solution
of NHCl
4
gives
[AIEEE 2004]
(a) 2 - methyl- 2 - propanol (b) Acetamide
(c) Acetone (d) Acetyl iodide
53. What is obtained when chlorine is passed in
boiling toluene and product is hydrolysed [DCE 2004]
(a) o - Cresol (b) p - Cresol
(c) 2, 4-Dihydroxytoluene (d) Benzyl alcohol
54. Which of the following is formed when
benzaldehyde reacts with sodium hydroxide [Pb. CET 2002]
(a) Benzyl alcohol (b) Benzoic acid
(c) Glucose (d) Acetic acid
55. When ethanal reacts with CH MgBr 3
and
C HOH
2 5
/dry HCl the product formed are [DCE 2003]
(a) Ethyl alcohol and 2-propanol
(b) Ethane and hemi-acetal
(c) 2 - propanol and acetal
(d) Propane and methyl acetate
56. Which of the following is industrially prepared by
passing ethylene into hypochlorous acid [BHU 2004]
(a) Ethylene glycol (b) Ethylene oxide
(c) Ethylene dinitrate (d) Ethane
57. In which case methyl- t - butyl ether is formed
[Orissa JEE 2004]
(a) C H CONa CHCl
2 53 3
(b) CH CONa CHCl
3 3 3
(c) CH CONa CHCl
3 3 2 5
(d) CH CONa CHCl
3 3 3
58. Which of the following combinations can be used
to synthesize ethanol [KCET 2004]
(a) CHMgI
3
and
3 3
CHCOCH
(b) CHMgI
3
and C HOH
2 5
(c) CHMgI
3
and
3 2 5
CHCOOCH
(d) CHMgI
3
and
2 5
HCOOCH
59. C H CH CHCHO CHCH CHCHOH
X
6 5 6 5 2
. In
the above sequence X can be [DCE 2004]
(a) H / Ni
2
(b)
4
NaBH
(c)
K CrO / H
2 2 7
(d) Both (a) and (b)
60. Alkenes convert into alcohols by [MP PET 1991]
(a) Hydrolysis by dil.
2 4
HSO
(b) Hydration of alkene by alkaline
4
KMnO
(c) Hydrolysis by water vapours and conc.
2 4
HSO
(d) Hydration of alkene by aqueous KOH
61. Acetic acid and CH OH
3
are obtained on large
scale by destructive distillation of
(a) Wood (b) Coal
(c) Turpentine (d) Crude oil
62. Which is formed when benzalamine react with
nitrous acid
[KCET (Med.) 2001]
(a) C HOH
6 5
(b) C HON
6 5
(c) C HNOH
2 5 2
(d) C HCHOH
6 5 2
63. Acid catalyzed hydration of alkenes except ethene
leads to the formation of [AIEEE 2005]
(a) Primary alcohol
(b) Secondary or tertiary alcohol
(c) Mixture of primary and secondary alcohols
(d) Mixture of secondary and tertiary alcohols
64. Methylphenyl ether can be obtained by reacting
[J & K 2005]
(a) Phenolate ions and methyl iodide
(b) Methoxide ions and bromobenzene
(c) Methanol and phenol
(d) Bromo benzene and methyl bromide
Properties of alcohol, Phenol and Ethers
1. Which compound is formed when CH OH
3
reacts
with CH Mg X
3
[CPMT 1977, 89]
(a) Acetone (b) Alcohol
(c) Methane (d) Ethane
2. A compound X of formula C HO
3 8
yields a
compound C HO
3 6
, on oxidation. To which of the
following classes of compounds could X being [Pb. PMT 2000]
(a) Secondary alcohol (b) Alkene
(c) Aldehyde (d) Tertiary alcohol
3. The boiling point of alcohol are …. than
corresponding thiols [Pb. PMT 2000]
(a) More (b) Same
22. On heating glycerol with conc. ,
2 4
HSO a
compound is obtained which has a bad odour. The
compound is
[CPMT 1974; CBSE PMT 1994]
(a) Glycerol sulphate (b) Acrolein
(c) Formic acid (d) Allyl alcohol
23. Isopropyl alcohol on oxidation forms
[CPMT 1971, 81, 94; RPMT 2002]
(a) Acetone (b) Ether
(c) Ethylene (d) Acetaldehyde
24. Benzenediazonium chloride on reaction with
phenol in weakly basic medium gives [IIT-JEE 1998]
(a) Diphenyl ether (b) p -
hydroxyazobenzene
(c) Chlorobenzene (d) Benzene
25. The alcohol that produces turbidity immediately
with
2
ZnCl conc. HCl at room temperature
[EAMCET 1997; MP PMT 1989, 99; IIT JEE 1981, 86;
CBSE PMT 1989; CPMT 1989;
MP PET 1997; JIPMER 1999]
(a) 1 - hydroxybutane
(b) 2 - hydroxybutane
(c) 2 - hydroxy- 2 - methylpropane
(d) 1 - hydroxy- 2 - methylpropane
26. The reagent which easily reacts with ethanol and
propanol is
[MP PET 1989]
(a) Fehling solution (b) Grignard reagent
(c) Schiff's reagent (d) Tollen's reagent
27. Propene is the product obtained by
dehydrogenation of
[KCET (Engg.) 2001]
(a) 2 - propanol (b) 1 - propanol
(c) Propanal (d) n - propyl alcohol
28. Which of the following statements is correct [BHU 1997]
(a) Phenol is less acidic than ethyl alcohol
(b) Phenol is more acidic than ethyl alcohol
(c) Phenol is more acidic than carboxylic acid
(d) Phenol is more acidic than carbonic acid
29. Boiling point of alcohol is comparatively higher
than that corresponding alkane due to [MH CET 2002]
(a) Intermolecular hydrogen bonding
(b) Intramolecular hydrogen bonding
(c) Volatile nature
(d) None of these
30. When Phenol is heated with phthalic anhydride in
concentrated sulphuric acid and the hot reaction
mixture is poured into a dilute solution of sodium
hydroxide, the product formed is [MP PET 1997, 2003; RPMT 1999;
KCET (Med.) 2000; CPMT 1981; CBSE PMT 1988]
(a) Alizarin (b) Methyl orange
(c) Fluorescein (d) Phenolphthalein
reagent
Jon's
3 3
CH CH CH CH ( OH ) CH X ,
Product X is [RPET 2000]
(a)
3 2 2 3
CHCHCHCH ( OH ) CH
(b)
3 3
CH CH CHCOCH
(c) Both (a) and (b) are correct
(d)
3 2 2 3
CHCHCHCOCH
32. Reaction :
Ag
C
CH OH O
0
600
3 2
product
The product is [RPET 2000]
(a) CH C O
2
(b) H C O
2
(c)
2 4
CH
(d)
2 2
CH
33. Ethylene glycol, on oxidation with per-iodic acid,
gives
[NCERT 1983; CPMT 1983]
(a) Oxalic acid (b) Glycol
(c) Formaldehyde (d) Glycollic acid
34. An unknown compound ‘ D ’, first oxidised to
aldehyde and then acitic acid by a dilute solution
of
2 2 7
KCrO
and
2 4
HSO
. The unknown compound ‘ D ’
is [BHU 2000]
(a) CH CHO
3
(b) CH CHOH
2 3
(c) CH CHOH
3 2
(d)
3 2 3
CHCHCH
35. The reaction of ethylene glycol with
3
PI gives
[MP PMT 2000]
(a) ICH CHI
2 2
(b)
2 2
CH CH
(c) CH CHI
2
(d) ICH CHI
36. The compound ‘ A ’ when treated with ceric
ammonium nitrate solution gives yellow ppt. The
compound ‘ A ’ is
[MP PET 2002]
(a) Alcohol (b) Aldehyde
(c) Acid (d) Alkane
37. Which of the following product is formed, when
ether is exposed to air [AIIMS 2000; RPMT 2002]
(a) Oxide (b) Alkanes
(c) Alkenes (d) Peroxide of diethyl
ether
38. During dehydration of alcohols to alkenes by
heating with conc.
2 4
HSO the initiation step is [AIEEE 2003]
(a) Protonation of alcohol molecule
(b) Formation of carbocation
(c) Elimination of water
(d) Formation of an ester
39. Phenol is less acidic than [MNR 1995]
(a) Ethanol (b) Methanol
(c) o- nitrophenol (d) p- methylphenol
40. The compound which gives the most stable
carbonium on dehydration is [MNR 1995]
(a)
3
|
3 2
CH
CH CH CHOH
(b)
3
3
3
CH
CH C OH
CH
(c) CH CH CH CHOH
3 2 2 2
(d)
OH
CH CH CH CH
|
3 2 3
41. At higher temperature, iodoform reaction is given
by
[AIIMS 2003]
(a)
3 2 3
CHCOCH
(b)
3 2 2 5
CHCOCH
(c)
6 5 2 3
CHCOCH
(d)
3 2 6 5
CHCOCH
42. Cresol has [CPMT 2003]
(a) Alcoholic – OH (b) Phenolic – OH
(c) – COOH
(d) – CHO
43. In ; 2 2 2
350
3 2
CH CHOH CH CH H O
C
X
o
' X ' is
(a) NaCl (b)
2
CaCl
(c)
2 5
PO (d)
2 3
AlO
44. Sodium phenoxide reacts with
2
CO
at 400 K and
4 - 7 atm pressure to give [MP PET 1996]
(a) Sodium salicylate (b) Salicylaldehyde
(c) Catechol (d) Benzoic acid
45. The reaction of C HOH 2 5
with
2 4
HSO does not
give
[MP PET 1996]
(a) Ethylene (b) Diethyl ether
(c) Acetylene (d) Ethyl hydrogen
sulphate
46. The order of stability of carbonium ions is [MP PET 1996]
(a) Methyl > ethyl > iso-propyl > tert-butyl
(b) Tert-butyl > iso-propyl > ethyl > methyl
(c) Iso-propyl > tert-butyl > ethyl > methyl
(d) Tert-butyl > ethyl > iso-propyl > methyl
47. Which statement is not correct about alcohol [AFMC 1997]
(a) Alcohol is lighter than water
(b) Alcohol evaporates quickly
(c) Alcohol of less no. of carbon atoms is less
soluble in water than alcohol of high no. of
carbon atoms
(d) All of these
48. An organic compound A reacts with sodium metal
and forms B. On heating with conc. ,
2 4
HSO A
gives diethyl ether. A and B are [AFMC 1998]
(a) C HOH
2 5
and C HONa
2 5
(b) C HOH
3 7
and CH ONa
3
(c) CH OH
3
and CH ONa
3
(d) C HOH
4 9
and C HONa
4 9
49. In the Liebermann's nitroso reaction, sequential
changes in the colour of phenol occurs as
[AFMC 1998; BHU 1999]
(a) Brown or red green red deep blue
(b) Red deep blue green
(c) Red green white
(d) White red green
50. Which one of the following reactions does not
yield an alkyl halide [EAMCET 1998]
(a) Diethyl ether
2
Cl
(b) Diethyl ether HI
(c) Diethyl ether and
5
PCl
(d) Diethyl ether
2 2
Reduction SOCl
X
51. Compound A reacts with
5
PCl to give B which on
treatment with KCN followed by hydrolysis gave
propionic acid. What is A and B respectively [EAMCET 1998]
(a)
3 8
CH and C HCl
3 7
(b)
2 6
CH and C HCl
2 5
(c) C HCl
2 5
and C HCl
2 5
(d) C HOH
2 5
and C HCl
2 5
52. The increasing order of acidity among phenol, p-
methylphenol, m- nitrophenol and p- nitrophenol is
[CBSE PMT 1995; RPMT 2002]
(a) m- nitrophenol, p- nitrophenol, phenol, p-
methylphenol
(b) p- methylphenol, m- nitrophenol, phenol, p-
nitrophenol
(c) p- methylphenol, phenol, m- nitrophenol, p-
nitrophenol
(d) Phenol, p- methylphenol, p- nitrophenol, m-
nitrophenol
53. Which of the following is not characteristic of
alcohols
[AFMC 1992]
(a) Lower alcohols are stronger and have bitter
taste
(b) Higher alcohols are stronger and have bitter
taste
(c) The boiling points of alcohols increase with
increasing
molecular mass
(d) The lower alcohols are soluble in water
54. In reaction of alcohols with alkali metal, acid etc.
which of the following alcohol will react fastest [BHU 1984]
(a) Secondary (b) Tertiary
(c) Primary (d) All equal
55. Order of reactivity of alcohols towards sodium
metal is
[Pb. CET 1985]
(a) Pri > Sec > Ter (b) Pri > Sec < Ter
(c) Pri < Sec > Ter (d) Pri < Sec < Ter
56. 23 g of Na will react with methyl alcohol to give
(c) (d) None of these
73. Primary alcohols on dehydration give [NCERT 1986]
(a) Alkenes (b) Alkanes
(c) Both (a) and (b) (d) None of these
74. Primary and secondary alcohols on action of
reduced copper give [CPMT 1982; MP PMT 1985;
EAMCET 1987, 93; MP PET 1995]
(a) Aldehydes and ketones respectively
(b) Ketones and aldehydes respectively
(c) Only aldehydes
(d) Only ketones
75. Methyl alcohol on oxidation with acidified
2 2 7
KCrO
gives
[MNR 1987]
(a)
3 3
CHCOCH (b) CH CHO
3
(c) HCOOH (d) CH COOH
3
76. Ethyl alcohol on oxidation with 2 2 7
KCrO gives
[MNR 1987; Bihar CEE 1995; UPSEAT 2000]
(a) Acetic acid (b) Acetaldehyde
(c) Formaldehyde (d) Formic acid
77. Lucas test is used for
[CBSE PMT 1990; AIIMS 2002; AFMC 2005]
(a) Alcohols (b) Amines
(c) Diethyl ether (d) Glacial acetic acid
78. When phenol reacts with ammonia in presence of
2
ZnCl at 300° C , it gives [AFMC 2001]
(a) Primary amine (b) Secondary amine
(c) Tertiary amine (d) Both (b) and (c)
79. Azo-dyes are prepared from [CPMT 2001]
(a) Aniline (b) Benzaldehye
(c) Benzoic acid (d) Phenol
80. A compound that easily undergoes bromination is
[KCET (Engg.) 2002]
(a) Phenol (b) Toluene
(c) Benzene (d) Benzoic acid
81. Which of the following has lowest boiling point
[MH CET 1999]
(a) p - nitrophenol (b) m - nitrophenol
(c) o - nitrophenol (d) phenol
82. In esterification, the reactivity of alcohols is [DPMT 2000]
(a) 1° > 2° > 3° (b) 3° > 2° > 1°
(c) Same in all cases (d) None of these
83. The role of conc.
2 4
HSO
in the esterification
process is
[RPMT 1999]
(a) Catalyst
(b) Dehydrating agent
(c) Hydrolysing agent
(d) Dehydrating agent and catalyst
84. Methanol and ethanol are distinguished by the
[MP PET 1999]
(a) Action of HCl (b) Iodoform test
(c) Solubility in water (d) Sodium
85. For phenol, which of the following statements is
correct
[MP PMT 1995]
(a) It is insoluble in water
(b) It has lower melting point compared to
aromatic hydrocarbons of comparable
molecular weight
(c) It has higher boiling point than toluene
(d) It does not show acidic property
86. The reaction of Lucas reagent is fast with [MP PMT 2000]
(a) CH COH
3
3
(b) CH CHOH
3 2
(c) CH CH OH
3 22
( ) (d) CH CHOH
3 2
87. Which of the following reagents convert the
propene to 1-propanol [CBSE PMT 2000]
(a)
2 2 4
HO , HSO
(b) Aqueous KOH
(c) MgSO NaBH HO
4 4 2
(d)
B H , HO , OH
2 6 2 2
88. Compound ‘ A ’ reacts with
5
PCl to give ‘ B ’ which
on treatment with KCN
followed by hydrolysis
gave propanoic acid as the product. What is ‘ A ’ [CBSE PMT 2002]
(a) Ethane (b) Propane
(c) Ethyl chloride (d) Ethyl alcohol
89. Which reagent can convert acetic acid into
ethanol
[BVP 2003]
(a) Na alcohol (b)
4
LiAlH ether
(c) H Pt
2
(d) Sn HCl
90. Which of the following would undergo
dehydration most readily [UPSEAT 2000]
(a) 1 - phenyl-1butanol (b) 2 - phenyl- 2 - butanol
(c) 1 - phenyl- 2 - butanol (d) 2 - phenyl- 1 - butanol
91. Phenol and benzoic acid is distinguished by [BHU 2003]
(a) NaOH (b)
3
NaHCO
(c)
2 3
NaCO (d)
2 4
HSO
92. Electrophilic substitution reaction in phenol take
place at
[RPMT 2002]
(a) p- position (b) m- position
(c) o- position (d) o- and p- position
93. Liebermann's test is answered by [KCET 1998]
2
NO
2
ON NO
2
OH
(a) Aniline (b) Methylamine
(c) Ethyl benzoate (d) Phenol
94. In the sequence of the following reactions [MP PMT 2002]
CH CHOH
3 2
ChromicAcid
[]
ChromicAcid
[O]
O
X CH COOH
3
X is
(a)
3 3
CHCOCH (b) CH CHO
3
(c)
3 3
CHOCH (d) CH CHCOOH
3 2
95. The boiling point of glycerol is more than
propanol because of [CPMT 1997, 2002]
(a) Hydrogen bonding (b) Hybridisation
(c) Resonance (d) All the above
96. Which of the following produces violet colour
with
3
FeCl solution
(a) Enols (b) Ethanol
(c) Ethanal (d) Alkyl halides
97. When heated with 3
NH under pressure alone or
in presence of zinc chloride phenols are converted
into
[RPMT 1997]
(a) Aminophenols (b) Aniline
(c) Nitrobenzene (d) Phenyl
hydroxylamine
98. Because of resonance the oxygen atom of OH
group of phenol
(a) Acquires positive charge (b)Acquires negative charge
(c) Remains uneffected (d) Liberates
99. When glycerol is heated with 4
KHSO it gives
[CPMT 1974, 85; MP PMT 1988, 90, 91, 92, 94;
MP PET 1988, 92]
(a)
2 3
CH CH CH (b) CH CH CHOH
2 2
(c) CH CH CHO
2
(d)
2 2
CH C CH
100. An organic compound X on treatment with
acidified
2 2 7
KCrO gives a compound Y which
reacts with
2
I and sodium carbonate to form tri-
odomethane. The compound X is [KCET 1996]
(a) CH OH
3
(b)
3 3
CH CO CH
(c) CH CHO
3
(d)
3 3
CHCH ( OH ) CH
101. The reaction of conc.
3
HNO and phenol forms
[MP PMT/PET 1988; BHU 1988; MP PMT 1999; Pb. PMT 2000]
(a) Benzoic acid (b) Salicylic acid
(c) o- and p- nitrophenol (d) Picric acid
102. Phenol is [MP PMT 1990; UPSEAT 1999]
(a) A weaker base than
3
NH
(b) Stronger than carbonic acid
(c) Weaker than carbonic acid
(d) A neutral compound
103. Phenol at C
o
25 is
(a) A white crystalline solid (b)A transparent liquid
(c) A gas (d) Yellow solution
104. At low temperature phenol reacts with
2
Br
in
2
CS
to form
[MP PET 1991; CPMT 1981; MP PMT 1990;
IIT 1982; RPMT 2000]
(a) m- bromophenol (b) o - and p - bromophenol
(c) p- bromophenol (d) 2, 4, 6 -
tribromophenol
105. Oxidation of ethanol by chromic acid forms [MP PET 1992]
(a) Ethanol (b) Methanol
(c) 2 - propanone (d) Ethanoic acid
106. Which of the following not gives effervescence
with
3
NaHCO [MP PET 1992]
(a) Phenol (b) Benzoic acid
(c) 2, 4-dinitrophenol (d) 2, 4, 6-trinitrophenol
107. Conc.
2 4
HSO
reacts with C HOH
2 5
at C
o
to
form
[MP PMT 1991; MP PET 1991; IIT-JEE 1981;
EAMCET 1979; KCET 2001]
(a)
3 3
CHCOCH (b) CH COOH
3
(c) CH CHO
3
(d)
2 4
CH
108. Which compound has hydrogen bonding
[MP PMT 1992; MP PET 1991]
(a) Toluene (b) Phenol
(c) Chlorobenzene (d) Nitrobenzene
109. Which statement is true [MP PMT 1991]
(a) C HOH
6 5
is more acidic than C HOH
2 5
(b) C HOH
6 5
is less acidic than C HOH
2 5
(c) C HOH
6 5
react with
3
NaHCO
(d) C HOH
6 5
gives oxime with NH OH
2
and HCl
110. Read the following statements carefully :
(A) A secondary alcohol on oxidation gives a
ketone
(B) Ethanol reacts with conc.
2 4
HSO at C
o
180 to
yield ethylene
(C) Methanol reacts with iodine and sodium
hydroxide to give a yellow precipitate of
iodoform
(D) Hydrogen gas is liberated when sodium is
added to alcohol. Select the correct statements
from the above set:
(a) A, B (b) C, D
(c) A, B, D (d) A, C, D
111. The following reaction :
2
Anhy drous
ZnCl
HCl HCN
is known as [MP PET 1997]
O
H
CHO
O
H
(a) Phosphorus pentachloride
(b) Calcium chloride
(c) Aluminium oxide
(d) Sodium chloride
126. Which one of the following compounds gives a
positive iodoform test [MP PMT 1997]
(a) Pentanal (b) 1 - phenyl ethanol
(c) 2 - phenyl ethanol (d) 3 - pentanol
127. What amount of bromine will be required to
convert 2 g of phenol into 2, 4, 6-tribromophenol [MP PET/PMT 1998]
(a) 4.00 (b) 6.
(c) 10.22 (d) 20.
128. Ethyl alcohol exhibits acidic character on reacting
with
[MP PMT 1995]
(a) Acetic acid
(b) Sodium metal
(c) Hydrogen iodide
(d) Acidic potassium dichromate
129. The mixture of ethanol and water cannot be
separated by distillation because [KCET 1984]
(a) They form a constant boiling mixture
(b) Alcohol molecules are solvated
(c) Their boiling points are very near
(d) Alcohol remains dissolved in water
130. The reaction between an alcohol and an acid with
the elimination of water molecule is called [MH CET 1999]
(a) Esterification (b) Saponification
(c) Etherification (d) Elimination
131. The compound with the highest boiling point is
[MNR 1985]
(a)
4
CH (b) CH OH
3
(c) CH Cl
3
(d) CH Br
3
132. The boiling point of ethyl alcohol should be less
than that of
[Pb. CET 1985]
(a) Propane (b) Formic acid
(c) Dimethyl ether (d) None of these
133. Which of the following is not characteristic of
alcohols
[AIIMS 1980]
(a) They are lighter than water
(b) Their boiling points rise fairly uniformly with
increasing molecular weight
(c) Lower members are insoluble in water and
organic solvents but solubility regularly
increases with molecular weight
(d) Lower members have pleasant smell and
burning taste, while higher members are
odourless and tasteless
134. At room temperature the alcohol that do not
reacts with Lucas reagent is
(a) Primary alcohol (b) Secondary alcohol
(c) Tertiary alcohol (d) All these three
135. By means of calcium chloride which of following
can be dried
(a) Methanol (b) Ethanol
(c) Both (a) and (b) (d) None of these
136. Lucas test is used to distinguish between [MP PET 1994]
(a)
o o
1 , 2 and
o
3 alcohols (b)
o o
1 , 2 and
o
3 amines
(c) Aldehydes and ketones (d)Alkenes and alkynes
137. Among the following, the compound that
undergoes nitration readily is [NCERT 1984]
(a) Benzoic acid (b) Toluene
(c) Phenol (d) Nitrobenzene
138. A B C
NaOH
Zn
HNO
Zn HSO
3
2 4
Conc.
Conc.
Distillation
Phenol
In the above reaction A, B and C are the following
compounds [MP PMT/PET 1988]
(a)
6 6 6 5 2
CH , CHNO and aniline
(b) ,
6 6
CH dinitrobenzene and metanitroaniline
(c) Toluene, metanitrobenzene and metatoluedine
(d)
6 6 6 5 2
CH , CHNO and hydrazobenzene
3 3 7
CH O CH and
2 5 2 5
C H O CH
exhibit which type of isomerism [MP PMT 198
(a) Metamerism (b) Position
(c) Chain (d) Functional
140. Phenol reacts with
4
CCl in presence of aqueous
alkali and forms a product which on hydrolysis
gives [MP PMT 1990]
(a) Salicylaldehyde (b) Salicylic acid
(c) Benzaldehyde (d) Benzoic acid
141. In fermentation by zymase, alcohol and
2
CO are
obtained from the following sugar [MP PMT/PET 1988]
(a) Glucose (b) Invert sugar
(c) Fructose (d) All of these
142. The order of melting point of ortho , para , meta -
nitrophenol is [Orissa JEE 2003]
(a) o > m > p (b) p > m > o
(c) m > p > o (d) p > o > m
143. The alcohol which does not give a stable
compound on dehydration is [MP PET 1997]
(a) Ethyl alcohol (b) Methyl alcohol
(c) n - propyl alcohol (d) n - butyl alcohol
144. When ethyl alcohol ( )
2 5
CHOH
is mixed with
ammonia and passed over heated alumina, the
compound formed is
[DPMT 1981; CBSE PMT 1989]
(a)
2 5 2
CHNH
(b)
2 4
CH
(c)
2 5 2 5
CHOCH (d)
3 3
CHOCH
145. A mixture of methanol vapours and air is passed
over heated copper. The products are [KCET 1988]
(a) Carbon monoxide and hydrogen
(b) Formaldehyde and water vapour
(c) Formic acid and water vapour
(d) Carbon monoxide and water vapour
146. In the esterification reaction of alcohols [Bihar CEE 1995]
(a)
OH is replaced by CH COO
3
group
(b)
OH is replaced by chlorine
(c)
H is replaced by sodium metal
(d)
OH is replaced by C HOH
2 5
147. A compound A on oxidation gave acetaldehyde,
then again on oxidation gave acid. After first
oxidation it was reacted with ammoniacal
3
AgNO
then silver mirror was produced. A is likely to be [DPMT 1996]
(a) Primary alcohol (b) Tertiary alcohol
(c) Acetaldehyde (d) Acetone
148. Phenol
H
CHCl /NaOH
3
Salicyldehyde
The above reaction is known as [Pb. PMT 2002]
(a) Riemer Tiemann reaction
(b) Bucherer reaction
(c) Gattermann synthesis
(d) Perkin reaction
149. Alcohol which gives red colour with Victor Meyer
test is
[RPMT 2003]
(a) C HOH
2 5
(b)
OH
CH CH CH
|
3 3
(c) C CH OH
3 3
(d) None of these
150. Conc. 2 4
HSO heated with excess of C HOH
2 5
at
C
o
140 to form [MP PMT 1990; RPMT 2000; AFMC 2002]
(a)
3 2 3
CH CH O CH
(b)
3 2 2 3
CH CH O CHCH
(c)
3 2 2 3
CH O CH CH CH
(d)
2 2
CH CH
151. Rate of substitution reaction in phenol is [MP PMT 1989]
(a) Slower than the rate of benzene
(b) Faster than the rate of benzene
(c) Equal to the rate of benzene
(d) None of these
152. Phenol reacts with dilute 3
HNO at normal
temperature to form [MP PMT 1989]
(a) (b)
(c) (d)
153. One mole of phenol reacts with bromine to form
tribromophenol. How much bromine is used
[MP PMT 1989]
(a) 1. 5 mol (b) 3 mol
(c) 4.5 mol (d) 6 mol
154. In presence of NaOH , phenol react with
3
CHCl
to
form o- hydroxy benzaldehyde. This reaction is
called
[BIT 1992; MP PMT 1990, 2002;
AIIMS 1992; MP PET 1994; JIPMER 1999]
(a) Riemer-Tiemann's reaction
(b) Sandmeyer's reaction
(c) Hoffmann's degradation reaction
(d) Gattermann's aldehyde synthesis
155. Which of the following vapours passed over
heated copper to form acetone [BIT 1992]
(a) H C CH CH OH
3 2 2
(b)
OH
CH CH CH
|
3 3
(c)
3
3
3
CH
CH C OH
CH
(d) CH CH CHOH
2 2
156. Methyl alcohol (methanol), ethyl alcohol (ethanol)
and acetone (propanone) were treated with iodine
and sodium hydroxide solutions. Which substances
will give iodoform test
(a) Only ethyl alcohol
(b) Only methyl alcohol and ethyl alcohol
(c) Only ethyl alcohol and acetone
(d) Only acetone
157. TNT has the structure [UPSEAT 2000]
(a) (b)
(c) (d)
NO
2
OH
NO 2
O 2 N
HO
NO 2
NO 2
O 2 N
NO
2
OH
O
2
N NO
2
CH 3
NO 2
NO
2
O
2
N
NO 2
CH
3
NO 2
O 2 N
OH
NO 2
HO
NO
2
HO
NO 2
NO 2
HO
(d) Causes amphoteric nature
179. In esterification of an acid, the other reagent is
[CPMT 1988]
(a) Aldehyde (b) Alcohol
(c) Amine (d) Water
180. Maximum solubility of alcohol in water is due to
[MP PMT/ PET 1988; MP PMT 1989]
(a) Covalent bond (b) Ionic bond
(c) H - bond with H O
2
(d) None of the above
181. Alcohols can be distinguished from alkenes by
(a) Dissolving in cold concentrated
2 4
HSO
(b) Decolourizing with bromine in
4
CCl
(c) Oxidizing with neutral permanganate solution
(d) None of the above
182. At C
o
25 Ethylene glycol is a
(a) Solid compound (b) Liquid
(c) Gas (d) Brown solid
183. When primary alcohol is oxidised with chlorine, it
produces
[AFMC 1999]
(a) HCHO
(b) CH CHO
3
(c) CCl CHO
3
(d) C HCHO
3 7
184. Alcohols combine with acetylene in the presence
of mercury compounds as catalyst to form
(a) Acetals (b) Xanthates
(c) Vinyl ethers (d) None of the above
185. The compound which will give negative iodoform
test is
[CPMT 1993, 99]
(a) CH CHO
3
(b) CH CHOH
3 2
(c) Isopropyl alcohol (d) Benzyl alcohol
186. Which of the following is most acidic [CPMT 1999]
(a) Phenol (b) Benzyl alcohol
(c) m - chlorophenol (d) Cyclohexanol
187. Number of metamers represented by molecular
formula C H O
4 10
is [Tamil Nadu CET 2001]
(a) 4 (b) 3
(c) 2 (d) 1
188. When ether is exposed in air for sometime an
explosive substance produced is [RPMT 2002]
(a) Peroxide (b) TNT
(c) Oxide (d) Superoxide
189. Ether which is liquid at room temperature is [BVP 2002]
(a)
2 5 3
CHOCH (b)
3 3
CHOCH
(c)
2 5 2 5
CHOCH (d) None of these
190. In the following reaction
4 [ ] 2 ,
2
RedPHI
2 5 2 5
C HOCH H X HO
X is
[MP PMT 2002]
(a) Ethane (b) Ethylene
(c) Butane (d) Propane
191. Diethyl ether absorbs oxygen to form [DPMT 1984]
(a) Red coloured sweet smelling compound
(b) Acetic acid
(c) Ether suboxide
(d) Ether peroxide
192. Diethyl ether can be decomposed by heating with
[CPMT 1980, 81, 89]
(a) HI (b) NaOH
(c) Water (d)
4
KMnO
193. On boiling with concentrated hydrobromic acid,
phenyl ethyl ether will yield [AIIMS 1992]
(a) Phenol and ethyl bromide
(b) Phenol and ethane
(c) Bromobenzene and ethanol
(d) Bromobenzene and ethane
194. Ether is formed when ethyl alcohol is heated with
conc..
2 4
HSO The conditions are [KCET 1984]
(a) Excess of
2 4
HSO and C
o
(b) Excess of C HOH
2 5
and C
o
140
(c) Excess of C HOH
2 5
and C
o
180
(d) Excess of conc.
2 4
HSO and C
o
100
195. The ether
when treated with HI produces [IIT-JEE 1999
(a) (b)
(c) (d)
196. Addition of alcohols to aldehydes in presence of
anhydrous acids yield [CET Pune 1998]
(a) Carboxylic acids (b) Ethers
(c) Cyclic ethers (d) Acetals
197. In which of the following reaction, phenol or
sodium phenoxide is not formed [CPMT 1996]
(a) C HNCl alco. KOH
6 5 2
(b) C HOCl NaOH
6 5
(c) C HNCl aq. NaOH
6 5 2
(d)
HO
C H NNCl
2
6 5
198. Dimethyl ether when heated with excess HI gives
[CPMT 1996]
(a) CH I
3
and CH OH
3
(b) CH I
3
and H O
2
(c) C H CH I
2 6 3
and CH OH
3
(d) CH I
3
and HCHO
O CH 2
CHI
2
CH OH
2
I OH
199. The ether that undergoes electrophilic
substitution reactions is [JIPMER 2001]
(a)
3 2 5
CHOCH (b)
6 5 3
CHOCH
(c)
3 3
CHOCH (d)
2 5 2 5
CHOCH
200. Acetyl chloride does not react with [MNR 1995]
(a) Diethyl ether (b) Aniline
(c) Phenol (d) Ethanol
201. The products formed in the following reaction
heat
6 5 3
CH O CH HI are [IIT 1995]
(a) C H I
6 5
and CH OH
3
(b) C H OH
6 5
and CH I
3
(c)
6 5 3
C H CH and HOI
(d)
6 6
CH and CH OI
3
202. Etherates are
(a) Ethers
(b) Solution in ether
(c) Complexes of ethers with Lewis acid
(d) Complexes of ethers with Lewis base
203. An ether is more volatile than an alcohol having
the same molecular formula. This is due to [AIEEE 2003]
(a) Dipolar character of ethers
(b) Alcohols having resonance structures
(c) Inter-molecular hydrogen bonding in ethers
(d) Inter-molecular hydrogen bonding in alcohols
204. When ether is reacted with , 2
O it undergoes
explosion due to [CPMT 1996]
(a) Peroxide (b) Acid
(c) Ketone (d) TNT
205. The compound which does not react with sodium
is
[CBSE PMT 1994]
(a) C HOH
2 5
(b)
3 3
CH O CH
(c) CH COOH
3
(d)
3 3
CH CHOH CH
206. Methyl-terbutyl ether on heating with HI of one
molar concentration gives [MP PET 1997]
(a) CH I CH COH
3 33
( ) (b) CH OH CH Cl
3 33
(c) CH I CH Cl
3 33
(d) None of the above
207. A substance C H O 4 10
yields on oxidation a
compound C HO
4 8
which gives an oxime and a
positive iodoform test. The original substance on
treatment with conc.
2 4
HSO gives
4 8
CH. The
structure of the compound is [SCRA 2000]
(a) CH CHCHCHOH
3 2 2 2
(b)
3 2 3
CHCH ( OH ) CHCH
(c) CH COH
3 3
(d)
3 2 2 3
CH CH O CHCH
208. Ethylene glycol reacts with excess of 5
PCl to give
[Kerala PMT 2004]
(a) 1, 1-dichloroethane
(b) 1, 2-dicholoroethane
(c) 1, 1, 1-trichloroethane
(d) 1, 1, 2, 2-tetrachloroethane
(e) 2, 2-dichloroethane
209. Which of the following will not react with NaOH
[CPMT 2004]
(a) (b) C HOH
2 5
(c)
3 2
CHCONH
(d)
3
CH ( CN )
210. The boiling point of methanol is greater than that
of methyl thiol because [Kerala PMT 2004]
(a) There is intramolecular hydrogen bonding in
methanol and intermolecular hydrogen
bonding in methyl thiol
(b) There is intermolecular hydrogen bonding in
methanol and no hydrogen bonding in methyl
thiol
(c) There is no hydrogen bonding in methanol and
intermolecular hydrogen bonding in methyl
thiol
(d) There is intramolecular hydrogen bonding in
methanol and no hydrogen bonding in methyl
thiol
(e) There is no hydrogen bonding in methanol and
intramolecular hydrogen bonding in methyl
thiol
211. In the reaction ( )
110
|
2
2
|
|
A
COOH
COOH
CHOH
CHOH
CHOH
C
product
( A ) will be [Pb. CET 2001]
(a) Glycerol monoformate
(b) Allyl alcohol
(c) Formaldehyde
(d) Acetic acid
212. Which of the following will not form a yellow
precipitate on heating with an alkaline solution of
iodine
[CBSE PMT 2004]
(a) CH OH
3
(b) CH CHOH
3 2
(c)
3 3
CHCH ( OH ) CH
(d)
3 2 3
CHCHCH ( OH ) CH
213. In Friedal-Crafts acylation, besides
3
AlCl , the
other reactants are [DPMT 2004]
2
NO
2
ON NO
2
OH
OH OH
23
3 2
A CHCHOH B
AlO Cu
A and B
respectively are [RPMT/PET 2000]
(a) Alkene, alkanal (b) Alkyne, alkanal
(c) Alkanal, alkene (d) Alkene, alkyne
234. Which one of the following reactions would
produce secondary alcohol [MP PET 1994]
(a)
H
CHMgBr
O
C HCCH
||
6 5 3
3
(b)
H
LiAlH
O
C HCCH
||
6 5 3
4
(c)
H
LiAlH
CH CHO
3
4
(d)
2
||
3 3
Br
OH
O
CH CCH
235. On reaction with hot conc. , 2 4
HSO which one of
the following compounds loses a molecule of
water
[CPMT 1989]
(a)
3 3
CHCOCH (b) CH COOH
3
(c)
3 3
CH OCH (d) CH CHOH
3 2
236. The best method to prepare cyclohexene from
cyclohexanol is by using [IIT 2005]
(a) Conc. HCl + ZnCl 2 (b) Conc_. H_ 3 PO 4
(c) HBr (d) Conc. HCl
237. Which of the following compound is most acidic
[BCECE 2005]
(a)
4
CH (b)
2 6
CH
(c) CH CH (d) C HOH
2 5
238. C HOH
2 5
can be differentiated from CH OH
3
by
[MP PMT 1994]
(a) Reaction with HCl (b) Reaction with
3
NH
(c) By iodoform test (d) By solubility in water
239. A compound does not react with 2.4 di-
nitrophenyl hydrazine and Na , compound is [UPSEAT 2003]
(a) Acetone (b) Acetaldehyde
(c) CHOH
3
(d)
2 3
CH CHOCH
240. Which of the following reaction is correctly
represented
[Orissa JEE 2005]
(a) HBr CHBr
3
(b) HBr
CH OH
3
(c) HBr
4
CH
(d) HBr CHBr
3
241. Tertiary butyl alcohol gives tertiary butyl chloride
on treatment with [Orissa JEE 2005]
(a) Conc. HCl /anhydrous
2
ZnCl
(b) KCN
(c) NaOCl
(d)
2
Cl
242. HO
base
N Cl
2
[DPMT 2005]
(a) N N OH
(b) O
(c)
(d) OH
243. In which of the following reactions carbon carbon
bond formation takes place [DPMT 2005]
(a) Cannizzaro (b) Reimer-Tiemann
(c) HVZ reaction (d) Schmidt reaction
244. Reaction of phenol with chloroform/sodium
hydroxide to give o - hydroxy benzaldehyde
involves the formation of
[J & K 2005]
(a) Dichloro carbene (b) Trichloro carbene
(c) Chlorine atoms (d) Chlorine molecules
245. Which is not correct [J & K 2005]
(a) Phenol is more acidic than acetic acid
(b) Ethanol is less acidic than phenol
(c) Ethanol has lower boiling point than ethane
(d) Ethyne is a non-linear molecule
Uses of alcohol, Phenol and Ethers
1. Glycerol is used in the manufacture of [SCRA 1991]
(a) Dynamite (b) Varnish
(c) Paints (d) Soft drinks
2. Glycerol as a triester present in [MP PMT 1990]
(a) Petroleum (b) Kerosene
(c) Vegetable oil and fat (d) Naphtha
3. In presence of air, fermentation of ethyl alcohol
by azotobactor bacteria forms [MP PMT 1989]
(a)
2 2
CH CH (b)
2 6
CH
(c) CH CHO
3
(d) CH COOH
3
4. Aspirin is also known as [CPMT 1989, 94; MP PET 1995]
(a) Methyl salicylic acid (b) Acetyl salicylic acid
(c) Acetyl salicylate (d) Methyl salicylate
CH
3 OH
CH 3
OCH
3
CH
3
OCH 3
CH
3 Br
CH 3
OCH
3
Br OCH 3
CH 3
OCH
3 H OCH 3
5. Substances used in bringing down the
temperature in high fevers are called [DPMT 1983]
(a) Pyretics (b) Antipyretics
(c) Antibiotics (d) Antiseptics
6. When glycol is heated with dicarboxylic acid, the
products are
(a) Polyesters (b) Polyethers
(c) Polyethylene (d) No reaction at all
7. Cresol is [BHU 1996]
(a) A mixture of three cresols with little phenol
(b) Used as dye for wood
(c) A soapy solution of cresols
(d) Having an aldehyde group
8. Phenol is used in the manufacture of [AIIMS 1996]
(a) Bakelite (b) Polystyrene
(c) Nylon (d) PVC
9. In cold countries ethylene glycol is added to water
in the radiators to [CPMT 1971; NCERT 1971; MP PMT 1993]
(a) Bring down the specific heat of water
(b) Lower the viscosity
(c) Reduce the viscosity
(d) Make water a better lubricant
10. Power alcohol is [KCET 1990]
(a) An alcohol of 95% purity
(b) A mixture of petrol hydrocarbons and ethanol
(c) Rectified spirit
(d) A mixture of methanol and ethanol
11. 4 - chloro-3, 5-dimethyl phenol is called [KCET 2003]
(a) Chloramphenicol (b) Paracetamol
(c) Barbital (d) Dettol
12. Alcoholic fermentation is brought about by the
action of
[CPMT 1977, 79, 88; DPMT 1983]
(a)
2
CO
(b)
2
O
(c) Invertase (d) Yeast
13. Rectified spirit is a mixture of
[DPMT 1982; MP PMT 1976, 77, 96;
CPMT 1976, 77, 90; KCET 1990]
(a) 95% ethyl alcohol + 5% water
(b) 94% ethyl alcohol + 4.53% water
(c) 94.4% ethyl alcohol + 5.43 % water
(d) 95.57% ethyl alcohol + 4.43% water
14. Methyl alcohol is toxic. The reason assigned is [RPET 2000]
(a) It stops respiratory track
(b) It reacts with nitrogen and forms
CN in the
lungs
(c) It increases
2
CO content in the blood
(d) It is a reduction product of formaldehyde
15. Glycerol is used [Kurukshetra CET 2002]
(a) As a sweetening agent
(b) In the manufacture of good quality soap
(c) In the manufacture of nitro glycerine
(d) In all of these
16. Glycerol is not used in which of following cases
(a) Explosive making (b) Shaving soap making
(c) As an antifreeze for water (d) As an antise
17. Liquor poisoning is due to [CPMT 1971]
(a) Presence of bad compound in liquor
(b) Presence of methyl alcohol
(c) Presence of ethyl alcohol
(d) Presence of carbonic acid
18. In order to make alcohol undrinkable pyridine and
methanol are added to it. The resulting alcohol is
called
(a) Power alcohol (b) Proof spirit
(c) Denatured spirit (d) Poison alcohol
19. Denatured spirit is mainly used as a
[MNR 1995; MP PET 2002]
(a) Good fuel
(b) Drug
(c) Solvent in preparing varnishes
(d) Material in the preparation of oil
20. Main constituent of dynamite is [MP PET 1992; BHU 1979]
(a) Nitrobenzene (b) Nitroglycerine
(c) Picric acid (d) TNT
21. Wine (alcoholic beverages) contains
[CPMT 1972, 77; BHU 1996; AFMC 2001]
(a) CH OH
3
(b) Glycerol
(c) C HOH
2 5
(d) 2 - propanol
22. Tonics in general contain [MNR 1995]
(a) Ether (b) Methanol
(c) Ethanol (d) Rectified spirit
23. Widespread deaths due to liquor poisoning occurs
due to
[DPMT 2001]
(a) Presence of carbonic acid in liquor
(b) Presence of ethyl alcohol in liquor
(c) Presence of methyl alcohol in liquor
(d) Presence of lead compounds in liquor
24. Diethyl ether finds use in medicine as [KCET 1989]
(a) A pain killer (b) A hypnotic
(c) An antiseptic (d) An anaesthetic
25. Washing soap can be prepared by saponification
with alkali of the oil [CPMT 1986]
(a) Rose oil (b) Paraffin oil
(c) Groundnut oil (d) Kerosene
26. Ether can be used [CPMT 1982]
(a) As a general anaesthetic (b) As a refrigerant
(c) In perfumery (d) All of these
27. The Bouveault-Blanc reduction involves [MP PET 1991]
(a) C HOH / Na
2 5
(b)
4
LiAlH
(c)
C H MgX
2 5
(d) Zn / HCl
28. Which is used as an antifreeze [AFMC 1992]
(a) Glycol (b) Ethyl alcohol
(c) Water (d) Methanol
