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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers
Question # 1
A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is
Choose an answer
Propanamide
Propanoic acid
Formamide
Methyl Ethanoate
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Question # 2
Boiling point of acetic acid is
o
C
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116
117
118
119
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Question # 3
Glacial acetic acid freezes to ice like solid it.
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07
17
27
37
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Question # 4
Hydrolytic reaction of fats by causic soda is known as
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Acetylation
Carboxylation
Esterification
Saponification
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Question # 5
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 # 6
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 # 7
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Alkyl
Alkyl nitrile
Cyanogens
Amine
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Question # 8
Ethyl alcohol reacts with acetyl chloride to form
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Ethyl chloride
Acetic acid
Methyleacetate
Ethyleacetate
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Question # 9
The acid present in vinegar is
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CH
3
COOH
HCI
H
2
SO
4
HCOOH
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Question # 10
Acetamide is prepared by:
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Heating ammonium acetate
Heating methyl cyanide
Heating ethyl acetate
The hydrolysis of methyl cyanide
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Question # 11
Amino acids are buildng blocks of:
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protein
Carbohydrates
Lipids
fats
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Question # 12
When acetic acid and ethanol react together an ester is formed which is called
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Ethyl ester
Ethanoic acid
Ethanoic acid
Ethyl acetate
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Question # 13
Acetamide is
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Highly acidic
Highly basic
Neutral
amphoteric
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Question # 14
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Proton donar
Dehydrating agent
Catalyst
Electrophile
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Question # 15
Carboxylic acids are more acidic than pehnol and alcohol because of
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Intermolecular hydrogen bonding
Formation of dimmers
Highly acidic hydrogen
Resonance stabilization of their conjugate base
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Question # 16
Which of the following is not fatty acid?
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Propanoic acid
Acetic acid
Phthalic acid
Butanoic acid
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Question # 17
Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh
4
or LiAH
4
?
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1-Propanol
2-Propanol
2-Methyl2-Proponal
Ethanol
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Question # 18
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Acidic amino acid
Basic amino acid
Neutral amino acid
None of these
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Question # 19
Weakest acid among the followings is
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Acetic acid
Phenol
Water
Acetylene
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Question # 20
The Zwitter ion is also called
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International salt
Internal salt
No salt
None of these
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Question # 21
In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as
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Schmidt reaction
Aldol condensation
Beckmann's rearrangement reaction
Tischenko reaction
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Question # 22
Easter are pleasant smelling compounds. Which ester posseses odour like pineapple
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Amylacetate
Amylbutyrate
Ethylbutyrate
Benzylacetate
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Question # 23
Butyric acid was named from butyrum means:
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Red out
Vinegar
Butter
Milk
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Question # 24
Aspirin is
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Acetyl salicylic acid
Phenyl salicylic acid
Salicylic acid
Benzoic acid
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Question # 25
CH
3
CH
2
COOH is also named as:
Choose an answer
Propionic acid
Propanoic acid
Acetic Acid
Both (a) and (b)
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Question # 26
Between CH
3
COOH and HCOOH, HCOOH will be
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Less acidic
Equally acidic
More acidic
None
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Question # 27
Acidic hydrolysis of acetamide gives
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Acetaldehyde
Acetic acid
Methyl amine
Formic acid
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Question # 28
An artificial smell of banana is produced in many articles y using esters which of the following is that
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Amyl acetate
Isoamyl valerate
Octyl acetate
Methyl butyrate
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Question # 29
The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits
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Metamerism
Tautomerism
Enatiomerism
Geometrical isomerism
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Question # 30
Partial reduction of acetic acid happens with
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NH
3
LiAIH
4
P + HI
PCI
5
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Question # 31
When acetamide is hydrolysed by boiling with acid the product obtained is
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Ethyl amine
Ethyl alcohol
Acetic acid
Acetaldehyde
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