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

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

Question # 2

Simplest aromatic compound is

Question # 3

The electrophile in aromatic sulphonation Is

Question # 4

Monosubstituted benzene can have disubstitution at position:

Question # 5

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

Question # 6

Which term was derived from atomos?

Question # 7

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

Question # 8

Benzene gives reactions generally

Question # 9

Benzene cannot undergo

Question # 10

The benzene molecule contains:

Question # 11

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

Question # 12

Arenes are also called

Question # 13

Aromatic hydrocarbons are derivatives of

Question # 14

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

Question # 15

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 16

Aromatic hydrocarbons are the derivatives of:

Question # 17

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

Question # 18

During nitration of benzene. the active nitrating agent is

Question # 19

Benzene cannot undergo:

Question # 20

Which compound is the most reactive one?

Question # 21

Which of the following is explosive?

Question # 22

Ozonolysis of benzene gives

Question # 23

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

Question # 24

Benzene was discovered by first of all

Question # 25

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

Question # 26

Kekule structures contributed towards actual structure of benzene

Question # 27

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

Question # 28

Which compound is the most reactvie one:

Question # 29

Kekule structures contributed towards actual structure of benzene

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
2 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
3 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
4 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
5 Which term was derived from atomos?
A. atom
B. hydrocarbon
C. aromatic
D. aliphatic
6 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
7 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
8 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
9 Empirical formula mass of benzene is times lesser than molecular formula mass
A. four
B. five
C. six
D. seven
10 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction

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