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

During nitration of benzene, the active nitrating agent is:

Question # 2

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

Question # 3

Aromatic hydrocarbons are the derivatives of:

Question # 4

Among the following, poly cyclic compound is

Question # 5

The electrophile in aromatic sulphonation Is

Question # 6

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

Question # 7

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

Question # 8

Benzene was discovered by first of all

Question # 9

Characterstics of aromaic are:

Question # 10

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

Question # 11

Benzene gives reactions generally

Question # 12

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

Question # 13

Which of the following is explosive:

Question # 14

Bond angle in benzene is

Question # 15

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

Question # 16

The benzene molecule contains:

Question # 17

Aroma meas:

Question # 18

Which term was derived from atomos?

Question # 19

Ratio of carbon to hydrogen in aromatic compounds is

Question # 20

Benzoic acid can be prepared from the oxidation of

Question # 21

Benzene acid can be prepared from the oxidation of:

Question # 22

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

Question # 23

Benzene was discovered by first of all:

Question # 24

Ozonolysis of benzene gives

Question # 25

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 26

Monosubstituted benzene can have disubstitution at position:

Question # 27

Monosubstituted benzene can have disubstitution at position

Question # 28

Kekule structures contributed towards actual structure of benzene

Question # 29

Benzene cannot undergo

Question # 30

Which term was derived from "aroma":

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which is the property of benzene:
A. Decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
2 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
3 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
4 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
5 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
6 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
7 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
8 Which is the property of benzene?
A. decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
9 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
10 Simplest aromatic compound is
A. bezene
B. toluene
C. aniline
D. phenol

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