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

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

Question # 2

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

Question # 3

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

Question # 4

Compounds containing cyanide group (.........C=H) are called:

Question # 5

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

Question # 6

Acetamide and NaOBr/OH-produce

Question # 7

The reaction of acetaldehyde with HCN followed by hydrolysis gives a product which exhibits

Question # 8

Which compound is both chiral and acidic

Question # 9

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

Question # 10

Partial reduction of acetic acid happens with

Question # 11

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

Question # 12

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

Question # 13

Tryosine was isolated from

Question # 14

When a carboxylic acid reacts with alcohol, it produces a new class of compounds

Question # 15

CH3CH2COOH is also named as:

Question # 16

Lysine is ______ amino acid

Question # 17

Primary alcohols and aldehydes are oxidized to corresponding:

Question # 18

Rosenmund's reduction of an acyl chloride gives

Question # 19

General formula of aromatic carboxyl acids

Question # 20

An artificial smell of banana is produced in many articles y using esters which of the following is that

Question # 21

Amiino acids are building blocks of:

Question # 22

Monocarboxylic acids exist as dimer because of

Question # 23

Palmitic acid & steanic acid ae obtained from process of fats & oils:

Question # 24

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

Question # 25

Acetic acid is manufactured by:

Question # 26

Carboxylic acids having carboxyl group one is called:

Question # 27

Carboxylic acids are more acidic than pehnol and alcohol because of

Question # 28

When propanamide reacts with Br2and NaOH then which of the following compounds is formed?

Question # 29

Active metals react with carboxylic acid releasing gas:

Question # 30

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

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ECAT Chemistry Chapter 24 Important MCQ's

Sr.# Question Answer
1
Question Image
A. It decolourises aqueous bromine rapidly
B. It is insoluble in water
C. It reduces Fehling's reagent
D. Two molecules react with each other in the presence of a strong acid
2 The acid present in the stings of bees and wasps in
A. Acetic acid
B. Formic acid
C. Formalin
D. Formaldehyde
3 An artificial smell of banana is produced in many articles y using esters which of the following is that
A. Amyl acetate
B. Isoamyl valerate
C. Octyl acetate
D. Methyl butyrate
4 With the increase in carbon no. the solubility of carboxylic acids
A. Increases
B. Decreases
C. Remains same
D. None of these
5 The solution of which acid is used for seosoning of food ?
A. Formic acid
B. Acetic acid
C. Benzoic acid
D. Butanoic acid
6 Saponification of ethyl benzoate with caustic soda
A. Benzyl alcohol,ethanoic acid
B. Sodium benzoate, ethanol
C. Benzoic acid, sodium ethoxide
D. Phenol, ethanoic acid
7 Which acid is used in the manufacture of synthetic fibre?
A. Formic acid
B. Oxalic acid
C. Carbonic acid
D. Acetic acid
8 Acetic acids react with PCI5 giving:
A. Acetamide
B. Acetyl chloride
C. Alcohol
D. Ether
9 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
10 Common names of carboxylic acids are given by then:
A. Source
B. Person discovered
C. place
D. habit

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