2. Which of the following is the general
formula of carboxylic acids?
(a)
|
CnH2nO2
|
(b)
|
CnH2n+2……CO2
|
(c)
|
CnH2n+1……COOH
|
(d)
|
All of the above
|
3 Acetic acid is a chief constituent of:
(a)
|
Wine
|
(b)
|
Vinegar
|
(c)
|
Wood spirit
|
(d)
|
Coal tar
|
4 Anhydrous acetic acid is a crystalline
hygroscopic solid which is called:
(a)
|
Acetic anhydride
|
(b)
|
Formalin
|
(c)
|
Glacial acetic acid
|
(d)
|
Coal
tar
|
5 Decarboxylation of sodium carboxylate
by soda lime gives:
(a)
|
Benzene
|
(b)
|
Alkane
|
(c)
|
Alkene
|
(d)
|
Ester
|
6 The formula of thionyl chloride is:
(a)
|
SO2Cl2
|
(b)
|
SOCl2
|
(c)
|
S2Cl2
|
(d)
|
None
of the above
|
7 Which of
the following compound is formed when carboxylic acid reacts with thionyl
chloride
(SOCl2)?
(a)
|
Acid halide
|
(b)
|
Acyl
halide
|
(c)
|
Alkanoyl halide
|
(d)
|
All
of the above
|
8 Acid halides react with ammonia to
form:
(a)
|
Ester
|
(b)
|
Acid
anhydride
|
(c)
|
Alcohol
|
(d)
|
Alkanamide
|
9 Acid halides react with alcohols to
give:
(a)
|
Ester
|
(b)
|
Acid
anhydride
|
(c)
|
Ether
|
(d)
|
Alkanamide
|
10 Acid halides react with sodium
carboxylate to give:
(a)
|
Ester
|
(b)
|
Ether
|
(c)
|
Alkanamide
|
(d)
|
Acid
anhydride
|
11 CH3–CO–O–CO–CH3 is
the structural formula of:
(a)
|
Ethanamide
|
(b)
|
Ethyl
acetate
|
(c)
|
Acetyl oxide
|
(d)
|
Acetic
anhydride
|
12 Which of the following compound is
formed when fatty acids reacts with glycerol?
(a)
|
Triglycerides/
Triacyl glycerol
|
(b)
|
Triester
|
(c)
|
Fats and oils
|
(d)
|
All
of the above
|
13 Which of the following is correct
structural formula of acid anhydride?
(a)
|
R–CO2–O–CO–R
|
(b)
|
R–CO–O–CO–R
|
(c)
|
O
||
 R–C
O
R–C
||
O
|
(d)
|
 R–COO
O
R–COO
|
14. Which of the following compounds is not a
dicarboxylic acids?
(a)
|
Citric acid
|
(b)
|
Malonic
acid
|
(c)
|
Succinic acid
|
(d)
|
Archidonic
acid (C19H31–COOH)
|
15. Which of the following is not a general
method of preparation of carboxylic acids?
(a)
|
By
complete oxidation of primary alcohols
|
(b)
|
By
oxidation of aldehydes
|
(c)
|
By the hydrolysis
of esters
|
(d)
|
By
reduction of aldehydes
|
16. Esterification is a reaction between:
(a)
|
Carboxylic acid and
ester
|
(b)
|
Carboxylic
acid and alcohols
|
(c)
|
Carboxylic acid and
soda lime
|
(d)
|
Carboxylic
acid and caustic soda
|
17. Acetic acid is obtained from ethanol by:
(a)
|
Fermentation
|
(b)
|
Oxidation
|
(c)
|
Reduction
|
(d)
|
Hydrogenation
|
18. Vinegar contains acetic acid nearly:
(a)
|
20%
|
(b)
|
30%
|
(c)
|
15-20%
|
(d)
|
6-10%
|
19. Alkaline hydrolysis of nitriles with
dilute base gives:
(a)
|
Carboxylic acid
|
(b)
|
Amides
|
(c)
|
Cyanides
|
(d)
|
Esters
|
20. Esterification is a reaction between:
(a)
|
Carboxylic acid and
ester
|
(b)
|
Carboxylic
acid and alcohols
|
(c)
|
Carboxylic acid and
soda lime
|
(d)
|
Carboxylic
acid and caustic soda
|
21. Which of
the following is correct reason for calling monocarboxylic acids as fatty
acids?
(a)
|
Their some higher
members are the constituents of carbohydrate
|
(b)
|
Their some higher members are the
constituents of glycerides (Fats)
|
(c)
|
Their some higher
members are the constituents of proteins
|
(d)
|
None of them
|
22. Which of the following is not the
derivative of carboxylic acids?
(a)
|
ethers
|
(b)
|
Asters
|
(c)
|
Acid halides
|
(d)
|
Amides
|
Esters, Acid halides, Acid anhydride and Sodium
Carboxylate
22. Which of the following is not the general
formula of esters?
(a)
|
CnH2nO2
|
(b)
|
CnH2n+2……CO2
|
(c)
|
CnH2n+1……COO……
1+2nH Cn
|
(d)
|
CnH2nO
|
24. The IUPAC name of esters is:
(a)
|
Alkyl alkanoate
|
(b)
|
alkyl aloxide
|
(c)
|
Alkanoyl chloride
|
(d)
|
Alkanoic anhydride
|
25. which
of the following represents class formula of ester?
(a)
|
RCOOH
|
(b)
|
RCOOR
|
(c)
|
RCO2H
|
(d)
|
Both b and c
|
26. which
of the following is not the general method of preparation of esters?
(a)
|
Condensation of
alcohol and acid
|
(b)
|
SN
reaction of alkyl halide with sodium carboxylate
|
(c)
|
Oxidation of
aldehydes
|
(d)
|
Action of alcohol
on acid halide
|
27. which
of the following is not an ester?
(a)
|
Fats
|
(b)
|
Oils
|
(c)
|
Cholesterol
|
(d)
|
Waxes
|
28. which
of the following is the salt of acid?
(a)
|
Sodium carboxylate
|
(b)
|
Acid
halides
|
(c)
|
Acid amide
|
(d)
|
Esters
|
29. The halogen derivatives of acids are
called:
(a)
|
Acyl halides
|
(b)
|
Acid
halides
|
(c)
|
Alkanoyl halides
|
(d)
|
All of them
|
29. Which one of the following would not
produce acid halide from carboxylic acid?
(a)
|
Thionyl
chloride
|
(b)
|
Phosphorus
pentachloride
|
(c)
|
Sodium carboxylate
|
(d)
|
Phosphorus
trichloride
|
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