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

Benzene cannot undergo:

Question # 2

Which of the following is explosive:

Question # 3

Ozonolysis of benzene gives

Question # 4

Among the following, poly cyclic compound is:

Question # 5

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 6

Aromatic hydrocarbons are the derivatives of:

Question # 7

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

Question # 8

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

Question # 9

Which compound is the most reactvie one:

Question # 10

Benzene acid can be prepared from the oxidation of:

Question # 11

The benzene molecule contains

Question # 12

Kekule structures contributed towards actual structure of benzene

Question # 13

Benzoic acid can be prepared from the oxidation of

Question # 14

Which of the following is explosive?

Question # 15

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

Question # 16

Monosubstituted benzene can have disubstitution at position:

Question # 17

During nitration of benzene. the active nitrating agent is

Question # 18

Arenes are also called

Question # 19

Bond angle in benzene is :

Question # 20

Simple aromatic compound is:

Question # 21

Which is the property of benzene:

Question # 22

Bond angle in benzene is

Question # 23

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

Question # 24

Benzene gives reactions generally:

Question # 25

Aromatic hydrocarbons are derivatives of

Question # 26

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

Question # 27

Ratio of carbon to hydrogen in aromatic compounds is

Question # 28

Ozonolysis of benzene gives:

Question # 29

Benzene cannot undergo

Question # 30

The electrophile in aromatic sulphontion is:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20
2 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
3 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
4 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
5 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
6 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
7 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
8 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
9 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
10 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

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