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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers
Question # 1
Glacial acetic acid freezes to ice like solid at (
°
C)
Choose an answer
07
17
27
37
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Question # 2
The acid showing salt like character in aqueous solution is
Choose an answer
Acetic acid
Benzoic acid
Formic acid
α - Aminoacetic acid
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Question # 3
Toluene can be oxidized to benzoic acid by
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KMnO
4
(alk)
K
2
Cr
2
O
7
(acidic)
Both
None
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Question # 4
Acetamide is
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Highly acidic
Highly basic
Neutral
amphoteric
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Question # 5
Butyric acid was named from butyrum means:
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Red out
Vinegar
Butter
Milk
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Question # 6
Pro stand for
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Valine
Alamine
Glycine
Proline
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Question # 7
Which of the following derivative cannot be prepared directly from acetic acid?
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Acetamide
Acetyl chloride
Ethyl acetate
Acetic acid
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Question # 8
Rearrangement of an oxime to an amide in the presence of strong acid is called
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Curtius rearrangement
Fries rearrangement
Beckman rearrangement
Aldol condensation
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Question # 9
Hydrolytic reaction of fats by causic soda is known as
Choose an answer
Acetylation
Carboxylation
Esterification
Saponification
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Question # 10
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Alkyl
Alkyl nitrile
Cyanogens
Amine
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Question # 11
A peptide having molecular mass upto 10,000 is called a
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Vitamin
Protein
Polypeptide
Dipetide
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Question # 12
What will happen if LiAIH
4
is added to an ester?
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Two units of alcohol are obtained
One unit of alcohol and one unit of acid is obtained
Two units of acids are obtained
None of these
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Question # 13
The solution of which acid is used for seosoning of food ?
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Formic acid
Acetic acid
Benzoic acid
Butanoic acid
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Question # 14
The Zwitter ion is also called
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International salt
Internal salt
No salt
None of these
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Question # 15
Hydrolysis of trichloromethane with aqueous KOH gives
Choose an answer
Potassium formate
Acetylene
Chloral
Methanol
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Question # 16
Acetic acids react with PCI5 giving:
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Acetamide
Acetyl chloride
Alcohol
Ether
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Question # 17
Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid?
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Amm. silver nitrate solution
Neutral ferric chloride
Sodium hydroxide solution
Sodium carbonate solution
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Question # 18
In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as
Choose an answer
Schmidt reaction
Aldol condensation
Beckmann's rearrangement reaction
Tischenko reaction
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Question # 19
Carboxylic acids having carboxyl group one is called:
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Mono carboxylic acid
Di-carboboxylic acid
Tri carboxilic acid
Tetra carboxylic acid
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Question # 20
Acyl halide is formed by reacting PCl
5
with
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Alcohol
Ester
Amide
Both carboxylic acids as well as esters
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Question # 21
Ethyl alcohol reacts with acetyl chloride to form
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Ethyl chloride
Acetic acid
Methyleacetate
Ethyleacetate
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Question # 22
Sulphonation of benzoic acid produces mainly
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o-Sulphobenzoic acid
m-sulohobenzoic acid
p-Sulphobenzoic acid
o-and p-Sulphobenzoic acid
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Question # 23
Acetic acid is also named.
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Methanoic acid
Ethanoic acid
Propanic acid
Butanoic acid
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Question # 24
Carboxylic acids functional group is:
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----COOH
-----COH
----CO---
----OH
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Question # 25
A carboxylic acid containing Ar group in it is called:
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Aromatic carboxylic acid
Allphatic carboxylic acid
Dicarboxylic acid
Carboxylic acid
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Question # 26
Which are used as essences (flowers)?
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Aldehydes
Ketones
Alcohols
Esters
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Question # 27
With the increase in carbon no. the solubility of carboxylic acids
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Increases
Decreases
Remains same
None of these
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Question # 28
In preparation medhod of carboxylic acids from alkyl halides always carboxylic acid formed which have carbon atoms:
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One less than in R----X
One more than in R---X
Equal to R---X
Double to R----X
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Question # 29
When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called
Choose an answer
Strecker synthesis
Cory house synthesis
Williamson;s synthesis
None of these
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Question # 30
Acidic hydrolysis of acetamide gives
Choose an answer
Acetaldehyde
Acetic acid
Methyl amine
Formic acid
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