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

Which are used as essences (flowers)?

Question # 2

The acid present in vinegar is

Question # 3

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

Question # 4

If acetyl chloride is reducing in the presence of BaSO4and Pd, then

Question # 5

Sulphonation of benzoic acid produces mainly

Question # 6

The human body can synthesize ______ amino acids

Question # 7

Fatty acids are:

Question # 8

General formula of aromatic carboxyl acids

Question # 9

A compound containing carboxyl group in them are called:

Question # 10

Partial reduction of acetic acid happens with

Question # 11

Reaction of acids with alcohols is also known as

Question # 12

Heating a mixture of sodium benzoate and soda lime gives

Question # 13

Carboxylic acids having carboxyl group one is called:

Question # 14

Which of the following is not fatty acid?

Question # 15

Which acid is used in the manufacture of synthetic fibre

Question # 16

An organic acdi having molecular formula C2H4O2is

Question # 17

With amino acids ninhydrin solution gives

Question # 18

Hydrolytic reaction of fats by causic soda is known as

Question # 19

Which of the following does give violet colour with neutral ferric chloride?

Question # 20

The acids obtained by the hydrolysis of fats and oils are called

Question # 21

The organic compounds containing Ph-OH group are called:

Question # 22

Which of the following is not a fatty acid?

Question # 23

Aspirin is

Question # 24

Which of the following is the strongest acid?

Question # 25

Hydrolysis of trichloromethane with aqueous KOH gives

Question # 26

Between CH3COOH and HCOOH, HCOOH will be

Question # 27

Active metals react with carboxylic acid releasing gas:

Question # 28

A carboxylic acid contains:

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1 Lactic acid on heating with dil. H2SO4gives
A. Acetic acid
B. Propionic acid
C. Acrylic acid
D. Formic acid
2
Question Image
A. RCH(CH3)CO2H + CH3OH
B. RCH(CH3)CO2H + HCO2H
C. RCH(CH3)OH + CO2
D. RCH(CH3)OH + HCO2H
3 Vinegar made form cane sugar, now a days synthetically contains
A. Citric acid
B. Lactic acid
C. Acetic acid
D. Palmitic acid
4 Acetic acid is manufactured by the fermentation of
A. Ethanol
B. Methanol
C. Ethanal
D. Methanal
5 General formula of aromatic carboxyl acids
A. R---------------OH
B. RCOOH
C. RCOR
D. ARCOOH
6 Rosenmund's reduction of an acyl chloride gives
A. An aldehydes
B. An alcohol
C. An ester
D. A hydrocarbon
7 When acetamide is hydrolysed by boiling with acid the product obtained is
A. Ethyl amine
B. Ethyl alcohol
C. Acetic acid
D. Acetaldehyde
8 Given below are some statements concerning formic acid, which of them is true?
A. It is a weaker acid than acetic acid
B. It is a reducing agent
C. When its calcium salt is heated, it forms a ketone
D. It is an oxidizing agent
9 The solution of which acid is used for seasoning of food
A. Formic acid
B. Acetic acid
C. Benzoic acid
D. Butanoic acid
10 Which of the following is the strongest acid?
A. CF3COOH
B. CBr3COOH
C. CH3COOH
D. CCl3COOH

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