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

The hydridization in benzene is

Question # 2

Aromatic hydrocarbons are derivatives of

Question # 3

During nitration of benzene, the active nitrating agent is:

Question # 4

Among the following, poly cyclic compound is

Question # 5

The hybirdization in benzene is:

Question # 6

Which term was derived from atomos?

Question # 7

Benzene cannot undergo

Question # 8

Bond angle in benzene is

Question # 9

The electrophile in aromatic sulphontion is:

Question # 10

Aromatic hydrocarbons are the derivatives of:

Question # 11

Benzene gives reactions generally

Question # 12

Kekule structures contributed towards actual structure of benzene

Question # 13

Aroma meas:

Question # 14

Ozonolysis of benzene gives

Question # 15

During nitration of benzene. the active nitrating agent is

Question # 16

Monosubstituted benzene can have disubstitution at position

Question # 17

Benzene was discovered by first of all:

Question # 18

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

Question # 19

Ratio of carbon to hydrogen in aromatic compounds is

Question # 20

Which is the property of benzene?

Question # 21

Benzene cannot undergo:

Question # 22

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

Question # 23

Benzene acid can be prepared from the oxidation of:

Question # 24

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

Question # 25

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

Question # 26

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 27

Characterstics of aromaic are:

Question # 28

Benzoic acid can be prepared from the oxidation of

Question # 29

Which is the property of benzene:

Question # 30

The electrophile in aromatic sulphonation Is

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 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
2 Benzene gives reactions generally
A. electrophilic
B. addition substitution
C. synthesis
D. addition and electrophilic substitution
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 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
5 Which of the following is explosive?
A. Trinitrophenol
B. Nitrophenol
C. Nitromethane
D. Nitrobenzene
6 The conversion of n-hexane into benzene by heating in the presence of CO, is called
A. lsomerization
B. Aromatization
C. Dealkylation
D. Rearrangement
7 Monosubstituted benzene can have disubstitution at position
A. ortho
B. meta
C. para
D. a, b, c
8 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
9 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
10 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene

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