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

Simplest aromatic compound is

Question # 2

Amongst the following, the compound that can be most readily sulphonated is

Question # 3

Ozonolysis of benzene gives

Question # 4

The hydridization in benzene is

Question # 5

The hybirdization in benzene is:

Question # 6

Bond angle in benzene is

Question # 7

Which is the property of benzene?

Question # 8

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

Question # 9

Aromatic hydrocarbons are derivatives of

Question # 10

The electrophile in aromatic sulphonation Is

Question # 11

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

Question # 12

Which of the following is explosive?

Question # 13

Among the following, poly cyclic compound is:

Question # 14

Aromatic hydrocarbons are the derivatives of:

Question # 15

The benzene molecule contains

Question # 16

Characterstics of aromaic are:

Question # 17

Monosubstituted benzene can have disubstitution at position

Question # 18

Bond angle in benzene is :

Question # 19

Monosubstituted benzene can have disubstitution at position:

Question # 20

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

Question # 21

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

Question # 22

During nitration of benzene. the active nitrating agent is

Question # 23

Which term was derived from atomos?

Question # 24

Ratio of carbon to hydrogen in aromatic compounds is

Question # 25

Simple aromatic compound is:

Question # 26

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

Question # 27

Which compound is the most reactvie one:

Question # 28

Empirical formula mass of benzene is times lesser than molecular formula mass

Question # 29

Benzene cannot undergo

Question # 30

Ratio of carbon to hydrogen in aromatic compounds is:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which is the property of benzene:
A. Decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
2 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
3 The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:
A. Isomerization
B. Aromatization
C. Dealkylation
D. Rearrangment
4 Which is the property of benzene?
A. decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
5 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
6 Monosubstituted benzene can have disubstitution at position:
A. Ortho
B. meta
C. para
D. a, b, c
7 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
8 Bond angle in benzene is :
A. 109..5o
B. 180o
C. 120o
D. 107.2o
9 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene
10 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon

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