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

Benzene cannot undergo

Question # 2

Benzene gives reactions generally

Question # 3

Among the following, poly cyclic compound is:

Question # 4

Which compound is the most reactvie one:

Question # 5

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

Question # 6

During nitration of benzene, the active nitrating agent is:

Question # 7

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

Question # 8

Which term was derived from "aroma":

Question # 9

Simplest aromatic compound is

Question # 10

Simple aromatic compound is:

Question # 11

Benzene gives reactions generally:

Question # 12

Monosubstituted benzene can have disubstitution at position:

Question # 13

Benzene was discovered by first of all:

Question # 14

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

Question # 15

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

Question # 16

Ratio of carbon to hydrogen in aromatic compounds is

Question # 17

Which is the property of benzene?

Question # 18

The electrophile in aromatic sulphontion is:

Question # 19

Which terms was derived from " aroma"?

Question # 20

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

Question # 21

Bond angle in benzene is

Question # 22

Benzene gives reactions generally:

Question # 23

Benzene was discovered by first of all

Question # 24

The benzene molecule contains:

Question # 25

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

Question # 26

During nitration of benzene. the active nitrating agent is

Question # 27

Kekule structures contributed towards actual structure of benzene

Question # 28

Aromatic compounds burn with sooty flame cause

Question # 29

Which is the property of benzene:

Question # 30

Aromatic hydrocarbons are the derivatives of:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
2 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
3 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
4 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
5 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20
6 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
7 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
8 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
9 Benzene gives reactions generally
A. electrophilic
B. addition substitution
C. synthesis
D. addition and electrophilic substitution
10 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl

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