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

Which term was derived from atomos?

Question # 2

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

Question # 3

Which is the property of benzene:

Question # 4

Among the following, poly cyclic compound is

Question # 5

During nitration of benzene, the active nitrating agent is:

Question # 6

Aromatic compounds burn with sooty flame cause:

Question # 7

Ozonolysis of benzene gives:

Question # 8

Simple aromatic compound is:

Question # 9

Arenes are also called

Question # 10

Benzene cannot undergo:

Question # 11

Bond angle in benzene is :

Question # 12

Characterstics of aromaic are:

Question # 13

The benzene molecule contains:

Question # 14

Which of the following is explosive:

Question # 15

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 16

Benzene gives reactions generally

Question # 17

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

Question # 18

Which term was derived from "aroma":

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Which terms was derived from " aroma"?

Question # 24

Benzene gives reactions generally:

Question # 25

Ratio of carbon to hydrogen in aromatic compounds is

Question # 26

Kekule structures contributed towards actual structure of benzene

Question # 27

Aromatic hydrocarbons are derivatives of

Question # 28

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

Question # 29

Benzene gives reactions generally:

Question # 30

The benzene molecule contains

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Amongst the following, the compound that can be most readily sulphonated is
A. toluene
B. benzene
C. nitrobenzene
D. chlorobenzene
2 Benzene reacts with Cl, in sunlight to give the end product
A. C6H6Cl6
B. C6H6Cl
C. O - C6H4Cl2
D. P-C6H4Cl2
3 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
4 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
5 Ratio of carbon to hydrogen in aromatic compounds is
A. Low than alkanes
B. High than alkanes
C. Low than alkenes not high than alkanes
D. High than high than alkenes
6 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
7 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
8 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
9 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
10 Resonance energy of benzene is (in KJ mol-1)
A. 120
B. 150
C. 170
D. 180

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