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 was discovered by first of all

Question # 2

During nitration of benzene. the active nitrating agent is

Question # 3

Benzene cannot undergo:

Question # 4

Bond angle in benzene is :

Question # 5

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

Question # 6

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

Question # 7

Aromatic compounds burn with sooty flame cause:

Question # 8

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

Question # 9

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

Question # 10

Benzoic acid can be prepared from the oxidation of

Question # 11

Bond angle in benzene is

Question # 12

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

Question # 13

Monosubstituted benzene can have disubstitution at position:

Question # 14

Benzene gives reactions generally:

Question # 15

Characterstics of aromaic are:

Question # 16

Ozonolysis of benzene gives:

Question # 17

The benzene molecule contains

Question # 18

Kekule structures contributed towards actual structure of benzene

Question # 19

Which terms was derived from " aroma"?

Question # 20

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

Question # 21

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

Question # 22

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 23

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

Question # 24

Among the following, poly cyclic compound is

Question # 25

Aromatic compounds burn with sooty flame cause

Question # 26

Aromatic hydrocarbons are the derivatives of:

Question # 27

Which of the following is explosive:

Question # 28

Benzene acid can be prepared from the oxidation of:

Question # 29

Benzene gives reactions generally:

Question # 30

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

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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 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
3 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
4 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
5 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
6 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
7 Which of the following is explosive:
A. Trinitropheonal
B. Nitropheonal
C. Nitromethane
D. Nitrobenzene
8 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
9 Among the following, poly cyclic compound is:
A. styrene
B. cumene
C. napthalene
D. xylene
10 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic

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