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

Formic Acid is obtained from Red out by:

Question # 2

Etherification is catalyzed by

Question # 3

Lactic acid on heating with dil. H2SO4gives

Question # 4

Rearrangement of an oxime to an amide in the presence of strong acid is called

Question # 5

Glacial acetic acid freezes to ice like solid it.

Question # 6

Carboxylic acids are more acidic than pehnol and alcohol because of

Question # 7

When a carboxylic acid reacts with a metal ______ gas is evolved

Question # 8

Which of the following is not fatty acid?

Question # 9

Which of the following derivative can not be prepared directly from acetic acid

Question # 10

HCOOH reacts with conc. H2SO4to produce

Question # 11

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

Question # 12

Ethyl acetate reacts with CH3MgBr to form

Question # 13

Glacial acetic acid freezes to ice like solid at (°C)

Question # 14

A carboxylic acid with one caboxyl group:

Question # 15

Which of the following is not a fatty acid?

Question # 16

Acetic anhydride is obtained form acetyl chloride by the reaction of

Question # 17

The acid present in the stings of bees and wasps in

Question # 18

Carboxylic acids functional group is:

Question # 19

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

Question # 20

Formic acid is given names from Latin word a "formic" which means:

Question # 21

CH3CH2COOH is also named as:

Question # 22

When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called

Question # 23

Caroxyl group has functional in it.

Question # 24

Which is not carboxylic acid with pungent smell?

Question # 25

Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid?

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

Acetic Acid is obtained from:

Question # 30

Amides on treatment with Br2and KOH are converted into amines, the reaction is known as

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1 A compound X has all of the following properties: It is a liquid at room temperature and atmospheric pressure; It does not mix completely with water; It does not decolorise acidified potassium manganate
What could X be
A. Ethane
B. Ethanoic acid
C. Ethanol
D. Ethyl ethanoate
2 Of the following four reactions, formic acid and acetic acid differ in which respect?
A. Replacement of hydrogen by sodium
B. Formation of ester with alcohol
C. Reduction of Fehling solution
D. Blue litmus reaction
3 Glacial acetic acid freezes to ice like solid at (°C)
A. 07
B. 17
C. 27
D. 37
4 Carboxylic acids generally exists in cyclic
A. Monomers
B. Dimers
C. Trimers
D. Tetrameter
5 The OH group present in acids may be replaced by CI atom on treatment with
A. PCI5
B. SOCI2
C. Both of them
D. None of the above
6 If a large number of amino acids (hundreds to thousands) are joined by peptide bonds, the resulting product is called
A. Dipeptide
B. Tripeptide
C. Polypeptide
D. None of these
7 Formic acid is obtained when
A. Calcium acetate is heated with conc.H2SO4
B. Calcium formate is heated with calcium acetate
C. Glycerol is heated with oxalic acid
D. Acetaldehyde is oxidized with K2Cr2O7and H2SO4
8 When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called
A. Strecker synthesis
B. Cory house synthesis
C. Williamson;s synthesis
D. None of these
9 Carboxylic acids react with acids releasing gas from it:
A. H2O as steam
B. CO
C. CO2
D. O2
10 The solution of which acid is use for seasoning of food?
A. Formic acid
B. Acetic acid
C. Benzoin acid
D. Butanoic acid

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