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

Characterstics of aromaic are:

Question # 2

Monosubstituted benzene can have disubstitution at position:

Question # 3

Among the following, poly cyclic compound is:

Question # 4

During nitration of benzene. the active nitrating agent is

Question # 5

Monosubstituted benzene can have disubstitution at position

Question # 6

Which term was derived from atomos?

Question # 7

Simplest aromatic compound is

Question # 8

Benzene cannot undergo

Question # 9

The electrophile in aromatic sulphontion is:

Question # 10

Among the following, poly cyclic compound is

Question # 11

The electrophile in aromatic sulphonation Is

Question # 12

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

Question # 13

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 14

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 15

Benzene was discovered by first of all

Question # 16

Benzene cannot undergo:

Question # 17

Benzene gives reactions generally:

Question # 18

Ratio of carbon to hydrogen in aromatic compounds is

Question # 19

The hydridization in benzene is

Question # 20

Which is the property of benzene?

Question # 21

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

Question # 22

Bond angle in benzene is

Question # 23

Aroma meas:

Question # 24

Benzene was discovered by first of all:

Question # 25

Aromatic compounds burn with sooty flame cause

Question # 26

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

Question # 27

Kekule structures contributed towards actual structure of benzene

Question # 28

The benzene molecule contains

Question # 29

Kekule structures contributed towards actual structure of benzene

Question # 30

Aromatic hydrocarbons are derivatives of

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ECAT Class Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
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 Aromatic compounds burn with sooty flame cause:
A. They have high percentage of hydrogan
B. They have ring structure
C. They have high percentage of carbon
D. They resist reaction with air
4 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
5 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
6 Which of the following is explosive?
A. Trinitrophenol
B. Nitrophenol
C. Nitromethane
D. Nitrobenzene
7 Among the following, poly cyclic compound is:
A. styrene
B. cumene
C. napthalene
D. xylene
8 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
9 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
10 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution

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