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

During nitration of benzene, the active nitrating agent is:

Question # 2

Aroma meas:

Question # 3

Characterstics of aromaic are:

Question # 4

Which of the following is explosive?

Question # 5

Arenes are also called

Question # 6

Which compound is the most reactive one?

Question # 7

Which term was derived from "aroma":

Question # 8

Ratio of carbon to hydrogen in aromatic compounds is

Question # 9

The electrophile in aromatic sulphonation Is

Question # 10

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

Question # 11

The benzene molecule contains:

Question # 12

Bond angle in benzene is

Question # 13

Empirical formula mass of benzene is times lesser than molecular formula mass

Question # 14

Bond angle in benzene is :

Question # 15

The electrophile in aromatic sulphontion is:

Question # 16

Simplest aromatic compound is

Question # 17

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

Question # 18

The hybirdization in benzene is:

Question # 19

Ozonolysis of benzene gives:

Question # 20

Among the following, poly cyclic compound is

Question # 21

Monosubstituted benzene can have disubstitution at position:

Question # 22

Among the following, poly cyclic compound is:

Question # 23

Simple aromatic compound is:

Question # 24

Benzoic acid can be prepared from the oxidation of

Question # 25

Aromatic hydrocarbons are the derivatives of:

Question # 26

Aromatic hydrocarbons are derivatives of

Question # 27

Resonance energy of benzene is (in KJ mol-1)

Question # 28

The hydridization in benzene is

Question # 29

Benzene gives reactions generally

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
2 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
3 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
4 Empirical formula mass of benzene is times lesser than molecular formula mass
A. four
B. five
C. six
D. seven
5 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane
6 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
7 During nitration of benzene. the active nitrating agent is
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
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 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene

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