ECAT Pre Engineering Chemistry Chapter 20 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

Try The MCQ's Test For ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

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ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

00:00
Question # 1

The hydridization in benzene is

Question # 2

Simple aromatic compound is:

Question # 3

Benzene gives reactions generally:

Question # 4

Which of the following acid can be used as a catalyst in Friedel Craft's reaction?

Question # 5

Which is the property of benzene?

Question # 6

During nitration of benzene, the active nitrating agent is:

Question # 7

Which term was derived from "aroma":

Question # 8

Benzene was discovered by first of all:

Question # 9

Amongst the following, the compound that can be most readily sulphonated is:

Question # 10

Benzoic acid can be prepared from the oxidation of

Question # 11

Benzene gives reactions generally

Question # 12

Which of the following is explosive?

Question # 13

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 14

Ratio of carbon to hydrogen in aromatic compounds is

Question # 15

Monosubstituted benzene can have disubstitution at position

Question # 16

Kekule structures contributed towards actual structure of benzene

Question # 17

Benzene cannot undergo

Question # 18

The electrophile in aromatic sulphonation Is

Question # 19

Arenes are also called

Question # 20

During nitration of benzene. the active nitrating agent is

Question # 21

empirical formula mass of benzene is time lesser than moleculer formula mass:

Question # 22

Which of the following is explosive:

Question # 23

Which of the following acid can be used as a catalyst in Friedel craft's reaction

Question # 24

Bond angle in benzene is

Question # 25

Acylation of benzene to produce aliphatic aromatic ketones is known as:

Question # 26

The conversion of n-hexane into benzene by heating in the presence of CO, is called

Question # 27

empirical formula mass of benzene is time lesser than moleculer formula mass:

Question # 28

The benzene molecule contains:

Question # 29

Benzene cannot undergo:

Question # 30

Ozonolysis of benzene gives:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
2 Monosubstituted benzene can have disubstitution at position
A. ortho
B. meta
C. para
D. a, b, c
3 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
4 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
5 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
6 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
7 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
8 During nitration of benzene, the active nitrating agent is:
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
9 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
10 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c

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