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

Benzoic acid can be prepared from the oxidation of

Question # 2

Ozonolysis of benzene gives:

Question # 3

The electrophile in aromatic sulphonation Is

Question # 4

Aroma meas:

Question # 5

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 6

The benzene molecule contains:

Question # 7

Monosubstituted benzene can have disubstitution at position

Question # 8

Benzene gives reactions generally

Question # 9

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

Question # 10

Benzene was discovered by first of all

Question # 11

Ozonolysis of benzene gives

Question # 12

Benzene acid can be prepared from the oxidation of:

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

The electrophile in aromatic sulphontion is:

Question # 17

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

Question # 18

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 19

Benzene gives reactions generally:

Question # 20

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

Question # 21

Ratio of carbon to hydrogen in aromatic compounds is

Question # 22

Aromatic hydrocarbons are derivatives of

Question # 23

Which term was derived from "aroma":

Question # 24

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

Question # 25

Kekule structures contributed towards actual structure of benzene

Question # 26

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

Question # 27

Benzene gives reactions generally:

Question # 28

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

Question # 29

Which of the following is explosive:

Question # 30

Monosubstituted benzene can have disubstitution at position:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
2 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane
3 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
4 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
5 During nitration of benzene, the active nitrating agent is:
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
6 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
7 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
8 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c
9 Simplest aromatic compound is
A. bezene
B. toluene
C. aniline
D. phenol
10 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol

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