ECAT Pre Engineering Chemistry Chapter 24 MCQ Test With Answer

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

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

Question # 2

Which are used as essences(flowers)?

Question # 3

Formic acid is obtained when

Question # 4

Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives:

Question # 5

Amiino acids are building blocks of:

Question # 6

Hydrolytic reaction of fats by causic soda is known as

Question # 7

What is formed when oxalic acid is dehydrated by conc. H2SO4?

Question # 8

Acetic anhydride is obtained form acetyl chloride by the reaction of

Question # 9

Carboxylic acids functional group is:

Question # 10

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

Question # 11

Vinegar is dilute solution of:

Question # 12

The solution of which acid is used for seasoning of food

Question # 13

From the following values of dissociation constants of four acids which value represents the strongest acid?

Question # 14

Which of the following is not fatty acid?

Question # 15

Lactic acid on oxidation by alkaline potassium permanganate gives

Question # 16

The acid showing salt like character in aqueous solution is

Question # 17

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 # 18

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

Question # 19

Common names of carboxylic acids are given by then:

Question # 20

Which compound is both chiral and acidic

Question # 21

Which is not carboxylic acid with pungent smell?

Question # 22

Boiling point of acetic acid is oC

Question # 23

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

Question # 24

Lysine is ______ amino acid

Question # 25

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

Question # 26

What will happen if LiAIH4is added to an ester?

Question # 27

Glacial Acetic acid is

Question # 28

An organic acdi having molecular formula C2H4O2is

Question # 29

In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as

Question # 30

Which of the following is not a fatty acid

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1 Carboxylic acids on complete reduction in the presence of HI and red Phosphours gives:
A. esters
B. alcohols
C. alkanes
D. aldehydes
2 Etherification is catalyzed by
A. Acids
B. Gases
C. Salts
D. None of the these
3 Acyl halide is formed by reacting PCl5with
A. Alcohol
B. Ester
C. Amide
D. Both carboxylic acids as well as esters
4 Butyric acid was named from butyrum means:
A. Red out
B. Vinegar
C. Butter
D. Milk
5 Which reagent is used to reduce a carboxylic group to an alcohol?
A. H2/Ni
B. H2/Pt
C. NaBH4
D. LiAIH4
6 Lactic acid on heating with dil. H2SO4gives
A. Acetic acid
B. Propionic acid
C. Acrylic acid
D. Formic acid
7 Acetic Acid reacts with PCl5 giving:
A. Acetamid
B. Acetyl chloride
C. Alcohol
D. ether
8
Question Image
9 The general formula of amino acids is
10 Amiino acids are building blocks of:
A. Protein
B. Carbohydrates
C. Lipids
D. Fats

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