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

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Question # 1

Benzene acid can be prepared from the oxidation of:

Question # 2

Which terms was derived from " aroma"?

Question # 3

Aromatic compounds burn with sooty flame cause

Question # 4

Aromatic hydrocarbons are the derivatives of:

Question # 5

Which term was derived from "aroma":

Question # 6

Which is the property of benzene:

Question # 7

Benzene was discovered by first of all

Question # 8

The benzene molecule contains

Question # 9

The benzene molecule contains:

Question # 10

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

Question # 11

Kekule structures contributed towards actual structure of benzene

Question # 12

Which compound is the most reactive one?

Question # 13

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

Question # 14

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

Question # 15

The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:

Question # 16

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

Question # 17

Benzene gives reactions generally:

Question # 18

Empirical formula mass of benzene is times lesser than molecular formula mass

Question # 19

Aroma meas:

Question # 20

Benzene was discovered by first of all:

Question # 21

Which of the following is explosive?

Question # 22

Ozonolysis of benzene gives:

Question # 23

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

Question # 24

During nitration of benzene. the active nitrating agent is

Question # 25

Which of the following is explosive:

Question # 26

Benzoic acid can be prepared from the oxidation of

Question # 27

Benzene gives reactions generally

Question # 28

Aromatic hydrocarbons are derivatives of

Question # 29

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 30

Arenes are also called

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 During nitration of benzene, the active nitrating agent is:
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
2 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
3 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
4 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
5 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20
6 Characterstics of aromaic are:
A. how hydrogen carbon ratio than alkanes
B. characterstics oudour
C. a &B
D. Characterstics properties
7 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
8 Resonance energy of benzene is (in KJ mol-1)
A. 120
B. 150
C. 170
D. 180
9 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
10 Which of the following is explosive:
A. Trinitropheonal
B. Nitropheonal
C. Nitromethane
D. Nitrobenzene

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