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

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Question # 1

Bond angle in benzene is :

Question # 2

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

Question # 3

Benzene was discovered by first of all

Question # 4

The electrophile in aromatic sulphonation Is

Question # 5

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

Question # 6

Which of the following is explosive?

Question # 7

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

Question # 8

Simple aromatic compound is:

Question # 9

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

Question # 10

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 11

Which terms was derived from " aroma"?

Question # 12

Which term was derived from "aroma":

Question # 13

The benzene molecule contains

Question # 14

Which compound is the most reactive one?

Question # 15

The benzene molecule contains:

Question # 16

Aromatic hydrocarbons are the derivatives of:

Question # 17

Among the following, poly cyclic compound is:

Question # 18

During nitration of benzene, the active nitrating agent is:

Question # 19

The hydridization in benzene is

Question # 20

Benzene gives reactions generally:

Question # 21

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

Question # 22

Kekule structures contributed towards actual structure of benzene

Question # 23

Which term was derived from atomos?

Question # 24

Which of the following is explosive:

Question # 25

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

Question # 26

Characterstics of aromaic are:

Question # 27

Which is the property of benzene?

Question # 28

Arenes are also called

Question # 29

Ratio of carbon to hydrogen in aromatic compounds is

Question # 30

Which compound is the most reactvie one:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Benzene gives reactions generally
A. electrophilic
B. addition substitution
C. synthesis
D. addition and electrophilic substitution
2 Arenes are also called
A. atom
B. hydrocarbons
C. aromatic
D. benzene
3 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
4 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
5 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
6 During nitration of benzene. the active nitrating agent is
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
7 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
8 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene
9 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c
10 The conversion of n-hexane into benzene by heating in the presence of CO, is called
A. lsomerization
B. Aromatization
C. Dealkylation
D. Rearrangement

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