ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

Try The MCQ's Test For ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test

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Question # 1

Ethyl alcohol reacts with acetyl chloride to form

Question # 2

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is

Question # 3

Carboxylic acids on complete reduction in the presence of HI and red Phosphours gives:

Question # 4

Which reagent is used to reduce a carboxylic group to an alcohol

Question # 5

Zwitter ion is ______ ion an amino acid

Question # 6

The solution of which acid is use for seasoning of food?

Question # 7

Hydrolysis of trichloromethane with aqueous KOH gives

Question # 8

With the increase in carbon no. the solubility of carboxylic acids

Question # 9

An organic acdi having molecular formula C2H4O2is

Question # 10

Weakest acid among the followings is

Question # 11

Which are used as essences(flowers)?

Question # 12

Esters have peculiar smell, which of the following is used as an essence of orange

Question # 13

When acetamide reacts with Br2and caustic soda, then we get

Question # 14

The organic compounds containing Ph--OH group are called:

Question # 15

Vinegar made form cane sugar, now a days synthetically contains

Question # 16

Lactic acid on oxidation by alkaline potassium permanganate gives

Question # 17

Which one of the following has been hydroxyl and carboxylic acid groups

Question # 18

Those amino acids which contain two carboxylic groups are called ______ amino acids

Question # 19

Which compound is both chiral and acidic

Question # 20

Of the following four reactions, formic acid and acetic acid differ in which respect?

Question # 21

The amino acids which human body can synthesize are called ______ amino acid

Question # 22

In public urinals, we observe some nascent smell. This smell is due to

Question # 23

Which of the following is not fatty acid?

Question # 24

Acidic hydrolysis of acetamide gives

Question # 25

HCOOH reacts with conc. H2SO4to produce

Question # 26

A carboxylic acid contains:

Question # 27

Tryosine was isolated from

Question # 28

Carboxylic acid can generally be prepared by various methods. Which of the following methods is not suitable for making carboxylic acids

Question # 29

A carboxylic acid with one caboxyl group:

Question # 30

The M.P. of carboxylic acids containing even number of carbon atoms is ______ than the next

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1 The order of decreasing ease of reaction with ammonia is
A. Anhydrides, esters, ethers
B. Anhydrides, ethers, esters
C. Ethers, anhydrides, esters
D. Esters, ethers, anhydrides
2 Carboxylic acids are reduced to in presence of NaAIH4
A. Esters
B. Acetyl chloride
C. alcohol
D. Aldehydes
3 Acetic Acid is obtained from:
A. Red out
B. Vinegar
C. Butter
D. Milk
4 Acetic anhydride is obtained form acetyl chloride by the reaction of
A. P2O5
B. H2SO4
C. CH3COONa
D. CH3COCH3
5 In public urinals, we observe some nascent smell. This smell is due to
A. Hydrolysis of urea of urine by urease of atmosphere into NH3and CO2
B. Formation of sulphonic acid by urea of urine
C. Reaction of CO2of atmosphere with urea monoitrate in urine
D. Hydrogen present in air reacts with nitrogen forming NH3
6 Glacial Acetic acid is
A. Pure acetic acid at 100°C
B. Acetic acid mixed with methanol
C. Pure acetic acid at 0°C
D. Pure acetic acid above 16.6°C
7 Easter are pleasant smelling compounds. Which ester posseses odour like pineapple
A. Amylacetate
B. Amylbutyrate
C. Ethylbutyrate
D. Benzylacetate
8 Glutamic acid, aspartic acid are ______ amino acid
A. Acidic
B. Basic
C. Neutral
D. None of these
9 Hydrolysis of alkyl nitriles gives:
A. alkane
B. alkyl halide
C. alkyl nitride
D. carboxylic acids
10 When a carboxylic acid reacts with alcohol, it produces a new class of compounds
A. Ethers
B. Esters
C. Anhydride
D. Amides

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