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

Aromatic hydrocarbons are the derivatives of:

Question # 2

During nitration of benzene. the active nitrating agent is

Question # 3

Monosubstituted benzene can have disubstitution at position

Question # 4

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

Question # 5

Bond angle in benzene is

Question # 6

Kekule structures contributed towards actual structure of benzene

Question # 7

Which is the property of benzene?

Question # 8

Ozonolysis of benzene gives

Question # 9

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

Question # 10

Aromatic compounds burn with sooty flame cause:

Question # 11

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

Question # 12

Which of the following is explosive?

Question # 13

Benzene gives reactions generally:

Question # 14

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

Question # 15

Which compound is the most reactive one?

Question # 16

Benzene gives reactions generally:

Question # 17

Ratio of carbon to hydrogen in aromatic compounds is

Question # 18

Aromatic hydrocarbons are derivatives of

Question # 19

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 20

Aroma meas:

Question # 21

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

Question # 22

Monosubstituted benzene can have disubstitution at position:

Question # 23

Which compound is the most reactvie one:

Question # 24

Characterstics of aromaic are:

Question # 25

Which term was derived from atomos?

Question # 26

Benzene cannot undergo

Question # 27

Simplest aromatic compound is

Question # 28

Aromatic compounds burn with sooty flame cause

Question # 29

Arenes are also called

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 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
2 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
3 The conversion of n-hexane into benzene by heating in the presence of CO, is called
A. lsomerization
B. Aromatization
C. Dealkylation
D. Rearrangement
4 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
5 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
6 During nitration of benzene. the active nitrating agent is
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
7 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
8 Empirical formula mass of benzene is times lesser than molecular formula mass
A. four
B. five
C. six
D. seven
9 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
10 Arenes are also called
A. atom
B. hydrocarbons
C. aromatic
D. benzene

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