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

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 2

Which is the property of benzene:

Question # 3

Among the following, poly cyclic compound is

Question # 4

Ratio of carbon to hydrogen in aromatic compounds is

Question # 5

The hydridization in benzene is

Question # 6

Aromatic hydrocarbons are derivatives of

Question # 7

Among the following, poly cyclic compound is:

Question # 8

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

Question # 9

Benzoic acid can be prepared from the oxidation of

Question # 10

Characterstics of aromaic are:

Question # 11

Simple aromatic compound is:

Question # 12

Which terms was derived from " aroma"?

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which term was derived from atomos?

Question # 17

The benzene molecule contains:

Question # 18

Which compound is the most reactive one?

Question # 19

Aroma meas:

Question # 20

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

Question # 21

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

Question # 22

Which term was derived from "aroma":

Question # 23

Benzene was discovered by first of all:

Question # 24

Ozonolysis of benzene gives:

Question # 25

The electrophile in aromatic sulphontion is:

Question # 26

Benzene gives reactions generally:

Question # 27

The hybirdization in benzene is:

Question # 28

Simplest aromatic compound is

Question # 29

Aromatic hydrocarbons are the derivatives of:

Question # 30

Bond angle in benzene is :

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ECAT Class Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
2 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic
3 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
4 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
5 Which of the following is explosive?
A. Trinitrophenol
B. Nitrophenol
C. Nitromethane
D. Nitrobenzene
6 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
7 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
8 Monosubstituted benzene can have disubstitution at position
A. ortho
B. meta
C. para
D. a, b, c
9 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
10 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20

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