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

Which of the following is explosive:

Question # 2

Monosubstituted benzene can have disubstitution at position:

Question # 3

During nitration of benzene, the active nitrating agent is:

Question # 4

Which is the property of benzene:

Question # 5

Benzoic acid can be prepared from the oxidation of

Question # 6

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

Question # 7

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

Question # 8

Aromatic compounds burn with sooty flame cause:

Question # 9

Which is the property of benzene?

Question # 10

Monosubstituted benzene can have disubstitution at position

Question # 11

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

Question # 12

Benzene was discovered by first of all

Question # 13

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

Question # 14

Which term was derived from atomos?

Question # 15

Which term was derived from "aroma":

Question # 16

Kekule structures contributed towards actual structure of benzene

Question # 17

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

Question # 18

During nitration of benzene. the active nitrating agent is

Question # 19

Benzene gives reactions generally:

Question # 20

Benzene cannot undergo:

Question # 21

Benzene was discovered by first of all:

Question # 22

Kekule structures contributed towards actual structure of benzene

Question # 23

Benzene acid can be prepared from the oxidation of:

Question # 24

Ozonolysis of benzene gives:

Question # 25

Characterstics of aromaic are:

Question # 26

Aromatic hydrocarbons are derivatives of

Question # 27

Which compound is the most reactive one?

Question # 28

Ratio of carbon to hydrogen in aromatic compounds is

Question # 29

Simplest aromatic compound is

Question # 30

Among the following, poly cyclic compound is:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
2 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
3 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
4 Characterstics of aromaic are:
A. how hydrogen carbon ratio than alkanes
B. characterstics oudour
C. a &B
D. Characterstics properties
5 Empirical formula mass of benzene is times lesser than molecular formula mass
A. four
B. five
C. six
D. seven
6 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
7 Ratio of carbon to hydrogen in aromatic compounds is:
A. Low than alkanes
B. High than alkanes
C. Low than alkanes not high than alkanes
D. High than alkanes
8 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
9 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
10 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon

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