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

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

Question # 2

Monosubstituted benzene can have disubstitution at position

Question # 3

The electrophile in aromatic sulphonation Is

Question # 4

During nitration of benzene. the active nitrating agent is

Question # 5

Benzene cannot undergo:

Question # 6

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

Question # 7

Characterstics of aromaic are:

Question # 8

Kekule structures contributed towards actual structure of benzene

Question # 9

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

Question # 10

Which compound is the most reactvie one:

Question # 11

Which terms was derived from " aroma"?

Question # 12

Aromatic hydrocarbons are derivatives of

Question # 13

Benzoic acid can be prepared from the oxidation of

Question # 14

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

Question # 15

Benzene was discovered by first of all:

Question # 16

The benzene molecule contains:

Question # 17

Kekule structures contributed towards actual structure of benzene

Question # 18

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 19

The benzene molecule contains

Question # 20

Benzene was discovered by first of all

Question # 21

Which is the property of benzene?

Question # 22

Aromatic compounds burn with sooty flame cause:

Question # 23

Benzene acid can be prepared from the oxidation of:

Question # 24

Which term was derived from atomos?

Question # 25

Benzene cannot undergo

Question # 26

Benzene gives reactions generally

Question # 27

Which of the following is explosive?

Question # 28

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

Question # 29

Bond angle in benzene is

Question # 30

Ozonolysis of benzene gives:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Among the following, poly cyclic compound is:
A. styrene
B. cumene
C. napthalene
D. xylene
2 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c
3 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
4 Simplest aromatic compound is
A. bezene
B. toluene
C. aniline
D. phenol
5 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
6 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
7 Which is the property of benzene?
A. decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
8 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
9 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane
10 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20

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