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

Ozonolysis of benzene gives:

Question # 2

Benzene gives reactions generally

Question # 3

Kekule structures contributed towards actual structure of benzene

Question # 4

Aromatic hydrocarbons are the derivatives of:

Question # 5

Ratio of carbon to hydrogen in aromatic compounds is

Question # 6

Aromatic compounds burn with sooty flame cause:

Question # 7

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

Question # 8

Benzoic acid can be prepared from the oxidation of

Question # 9

Benzene was discovered by first of all:

Question # 10

The benzene molecule contains

Question # 11

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

Question # 12

Which is the property of benzene?

Question # 13

Kekule structures contributed towards actual structure of benzene

Question # 14

Among the following, poly cyclic compound is:

Question # 15

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

Question # 16

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 17

Benzene acid can be prepared from the oxidation of:

Question # 18

The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:

Question # 19

Which is the property of benzene:

Question # 20

Bond angle in benzene is :

Question # 21

Aroma meas:

Question # 22

Aromatic compounds burn with sooty flame cause

Question # 23

Which compound is the most reactive one?

Question # 24

Simplest aromatic compound is

Question # 25

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

Question # 26

Benzene cannot undergo

Question # 27

The electrophile in aromatic sulphontion is:

Question # 28

Bond angle in benzene is

Question # 29

Which terms was derived from " aroma"?

Question # 30

Benzene reacts with Cl, in sunlight to give the end product

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
2 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
3 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
4 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
5 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
6 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
7 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
8 Benzene reacts with Cl, in sunlight to give the end product
A. C6H6Cl6
B. C6H6Cl
C. O - C6H4Cl2
D. P-C6H4Cl2
9 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
10 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene

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