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

Ratio of carbon to hydrogen in aromatic compounds is

Question # 2

Benzene cannot undergo:

Question # 3

Arenes are also called

Question # 4

Benzene was discovered by first of all:

Question # 5

Characterstics of aromaic are:

Question # 6

The benzene molecule contains

Question # 7

Which of the following is explosive:

Question # 8

Which of the following is explosive?

Question # 9

The hybirdization in benzene is:

Question # 10

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

Question # 11

Aromatic hydrocarbons are the derivatives of:

Question # 12

Which is the property of benzene:

Question # 13

Monosubstituted benzene can have disubstitution at position

Question # 14

During nitration of benzene. the active nitrating agent is

Question # 15

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

Question # 16

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 17

Benzene gives reactions generally

Question # 18

Simplest aromatic compound is

Question # 19

Kekule structures contributed towards actual structure of benzene

Question # 20

The benzene molecule contains:

Question # 21

Benzene gives reactions generally:

Question # 22

Aroma meas:

Question # 23

The hydridization in benzene is

Question # 24

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

Question # 25

Aromatic compounds burn with sooty flame cause

Question # 26

The electrophile in aromatic sulphonation Is

Question # 27

Aromatic hydrocarbons are derivatives of

Question # 28

Benzoic acid can be prepared from the oxidation of

Question # 29

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

Question # 30

Benzene gives reactions generally:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Characterstics of aromaic are:
A. how hydrogen carbon ratio than alkanes
B. characterstics oudour
C. a &B
D. Characterstics properties
2 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
3 The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:
A. Isomerization
B. Aromatization
C. Dealkylation
D. Rearrangment
4 The conversion of n-hexane into benzene by heating in the presence of CO, is called
A. lsomerization
B. Aromatization
C. Dealkylation
D. Rearrangement
5 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
6 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
7 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
8 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
9 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
10 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic

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