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

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

Question # 2

Toluene can be oxidized to benzoic acid by

Question # 3

Which of the following order is incorrect w.r.t property indicated?

Question # 4

When acetamide reacts with Br2and caustic soda, then we get

Question # 5

Carboxylic acids react with acids releasing gas from it:

Question # 6

Which of the following derivative cannot be prepared directly from acetic acid?

Question # 7

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

Question # 8

HCOOH reacts with conc. H2SO4to produce

Question # 9

When acetamide is hydrolysed by boiling with acid the product obtained is

Question # 10

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

Question # 11

Boiling point of acetic acid is oC

Question # 12

Which formula represents the organic compound formed by the reaction of propanoic acid with methanol in the presence of concentrated sulphuric acid as a catalyst

Question # 13

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

Question # 14

Acetic acid is also named.

Question # 15

Ethyl acetate is obtained when methyl magnesium iodide reacts with

Question # 16

The solution of which acid is used for seasoning of food

Question # 17

A compound containing carboxyl group in them are called:

Question # 18

Amylacetate flavour is present in:

Question # 19

Which of the following statements about acetic, anhydride is not correct

Question # 20

Glacial acetic acid freezes to ice like solid it.

Question # 21

Acetic acids react with PCI5 giving:

Question # 22

Carboxylic acids having carboxyl group one is called:

Question # 23

Primary alcohols and aldehydes are oxidized to corresponding:

Question # 24

Acetamide is prepared by

Question # 25

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

Question # 26

The solution of which acid is used for seosoning of food ?

Question # 27

Acetic acid is miscible in:

Question # 28

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

Question # 29

The acid present in vinegar is

Question # 30

Given below are some statements concerning formic acid, which of them is true?

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ECAT Chapter 24 Important MCQ's

Sr.# Question Answer
1 Formic acid is given names from Latin word a "formic" which means:
A. Red out
B. Vinegar
C. butter
D. Milk
2 Etherification is catalyzed by
A. Acids
B. Gases
C. Salts
D. None of the these
3 Which of the following does give violet colour with neutral ferric chloride?
A. Acetic acid
B. Salicaylic acid
C. Formine acid
D. Benzoic acid
4 The acid present in vinegar is
A. CH3COOH
B. HCI
C. H2SO4
D. HCOOH
5 Acetic acid is obtained when
A. Methyl alcohol is oxidized with potassium permanganate
B. Calcium acetate is distilled in the presence of calcium formate
C. Acetaldehyde is oxidized with potassium dichromate and sulphuric acid
D. Glycerol is heated with sulphuric acid
6 Boiling point of acetic acid is°C:
A. 116
B. 117
C. 118
D. 119
7 Formic Acid is obtained from Red out by:
A. Distillation
B. Crystallization
C. Filtration
D. sublimation
8 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
9
Question Image
A. Ethanol in the presence of concentrated sulphuric acid
B. Potassium hydroxide
C. Sodium
D. Sodium carbonate
10 Amides on treatment with Br2and KOH are converted into amines, the reaction is known as
A. Hoffmann's bromamide reaction
B. Hoffmann's methylation
C. Gabriel phthalimide reaction
D. H.V.Z reaction

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