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

Simple aromatic compound is:

Question # 2

Benzene gives reactions generally

Question # 3

Benzene cannot undergo

Question # 4

Aromatic compounds burn with sooty flame cause

Question # 5

Monosubstituted benzene can have disubstitution at position:

Question # 6

Which term was derived from atomos?

Question # 7

The hydridization in benzene is

Question # 8

Bond angle in benzene is :

Question # 9

The hybirdization in benzene is:

Question # 10

Benzoic acid can be prepared from the oxidation of

Question # 11

Aromatic hydrocarbons are the derivatives of:

Question # 12

Which of the following is explosive:

Question # 13

The electrophile in aromatic sulphontion is:

Question # 14

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

Question # 15

Monosubstituted benzene can have disubstitution at position

Question # 16

The benzene molecule contains:

Question # 17

Benzene gives reactions generally:

Question # 18

Arenes are also called

Question # 19

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

Question # 20

Kekule structures contributed towards actual structure of benzene

Question # 21

Benzene was discovered by first of all:

Question # 22

Aromatic compounds burn with sooty flame cause:

Question # 23

Among the following, poly cyclic compound is:

Question # 24

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

Question # 25

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

Question # 26

Ozonolysis of benzene gives

Question # 27

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

Question # 28

Ratio of carbon to hydrogen in aromatic compounds is

Question # 29

Which compound is the most reactive one?

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
2 Bond angle in benzene is :
A. 109..5o
B. 180o
C. 120o
D. 107.2o
3 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
4 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
5 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
6 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
7 Amongst the following, the compound that can be most readily sulphonated is
A. toluene
B. benzene
C. nitrobenzene
D. chlorobenzene
8 Simplest aromatic compound is
A. bezene
B. toluene
C. aniline
D. phenol
9 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
10 Benzene acid can be prepared from the oxidation of:
A. benzene
B. ethyl benzene
C. benzonic acid
D. toluene

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