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

Bond angle in benzene is

Question # 2

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 3

Ratio of carbon to hydrogen in aromatic compounds 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

Kekule structures contributed towards actual structure of benzene

Question # 7

Which term was derived from atomos?

Question # 8

Aromatic compounds burn with sooty flame cause:

Question # 9

Benzene gives reactions generally:

Question # 10

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

Question # 11

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

Question # 12

Simple aromatic compound is:

Question # 13

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

Question # 14

Aromatic hydrocarbons are the derivatives of:

Question # 15

Bond angle in benzene is :

Question # 16

Ozonolysis of benzene gives

Question # 17

The electrophile in aromatic sulphontion is:

Question # 18

The hybirdization in benzene is:

Question # 19

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

Question # 20

Which term was derived from "aroma":

Question # 21

Among the following, poly cyclic compound is:

Question # 22

Benzene gives reactions generally

Question # 23

Simplest aromatic compound is

Question # 24

Aromatic hydrocarbons are derivatives of

Question # 25

Which compound is the most reactvie one:

Question # 26

Aromatic compounds burn with sooty flame cause

Question # 27

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

Question # 28

Which is the property of benzene?

Question # 29

Benzene was discovered by first of all

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which compound is the most reactvie one:
A. benzene
B. ethene
C. ethane
D. ethyne
2 Resonance energy of benzene is (in KJ mol-1)
A. 120
B. 150
C. 170
D. 180
3 Bond angle in benzene is :
A. 109..5o
B. 180o
C. 120o
D. 107.2o
4 The benzene molecule contains
A. Three double bond
B. Two double bond
C. One double bond
D. Delocalized pie electron charge
5 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
6 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
7 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
8 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
9 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
10 Benzene acid can be prepared from the oxidation of:
A. benzene
B. ethyl benzene
C. benzonic acid
D. toluene

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