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

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

Question # 2

Benzene cannot undergo

Question # 3

Which is the property of benzene:

Question # 4

Ratio of carbon to hydrogen in aromatic compounds is

Question # 5

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

Question # 6

Kekule structures contributed towards actual structure of benzene

Question # 7

Simple aromatic compound is:

Question # 8

Monosubstituted benzene can have disubstitution at position

Question # 9

The electrophile in aromatic sulphontion is:

Question # 10

The electrophile in aromatic sulphonation Is

Question # 11

Bond angle in benzene is :

Question # 12

Benzene gives reactions generally:

Question # 13

Ozonolysis of benzene gives

Question # 14

Benzene acid can be prepared from the oxidation of:

Question # 15

The benzene molecule contains:

Question # 16

Benzene was discovered by first of all:

Question # 17

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

Question # 18

Which terms was derived from " aroma"?

Question # 19

Aromatic compounds burn with sooty flame cause:

Question # 20

Simplest aromatic compound is

Question # 21

Which is the property of benzene?

Question # 22

Which compound is the most reactvie one:

Question # 23

Ozonolysis of benzene gives:

Question # 24

Benzene gives reactions generally:

Question # 25

Among the following, poly cyclic compound is:

Question # 26

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

Question # 27

During nitration of benzene, the active nitrating agent is:

Question # 28

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

Question # 29

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

Question # 30

Which of the following is explosive?

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c
2 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
3 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
4 Ratio of carbon to hydrogen in aromatic compounds is:
A. Low than alkanes
B. High than alkanes
C. Low than alkanes not high than alkanes
D. High than alkanes
5 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic
6 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
7 Characterstics of aromaic are:
A. how hydrogen carbon ratio than alkanes
B. characterstics oudour
C. a &B
D. Characterstics properties
8 Monosubstituted benzene can have disubstitution at position
A. ortho
B. meta
C. para
D. a, b, c
9 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
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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