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

Benzoic acid can be prepared from the oxidation of

Question # 2

Which term was derived from atomos?

Question # 3

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 4

Benzene was discovered by first of all

Question # 5

Benzene was discovered by first of all:

Question # 6

Benzene cannot undergo:

Question # 7

Characterstics of aromaic are:

Question # 8

The electrophile in aromatic sulphonation Is

Question # 9

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

Question # 10

Among the following, poly cyclic compound is

Question # 11

Which compound is the most reactvie one:

Question # 12

Benzene gives reactions generally:

Question # 13

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

Question # 14

Aromatic hydrocarbons are derivatives of

Question # 15

Among the following, poly cyclic compound is:

Question # 16

The benzene molecule contains:

Question # 17

Aromatic hydrocarbons are the derivatives of:

Question # 18

Benzene gives reactions generally

Question # 19

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

Question # 20

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

Question # 21

Benzene cannot undergo

Question # 22

The electrophile in aromatic sulphontion is:

Question # 23

Benzene gives reactions generally:

Question # 24

During nitration of benzene, the active nitrating agent is:

Question # 25

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

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

Aromatic compounds burn with sooty flame cause

Question # 29

Which is the property of benzene:

Question # 30

Kekule structures contributed towards actual structure of benzene

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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 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
3 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
4 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
5 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic
6 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
7 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
8 Among the following, poly cyclic compound is:
A. styrene
B. cumene
C. napthalene
D. xylene
9 Aromatic compounds burn with sooty flame cause
A. They have high percentage of hydrogen
B. They have a ring structure
C. They have high percentage of carbon
D. They resist reaction with air
10 Benzene gives reactions generally
A. electrophilic
B. addition substitution
C. synthesis
D. addition and electrophilic substitution

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