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

Among the following, poly cyclic compound is:

Question # 2

Benzoic acid can be prepared from the oxidation of

Question # 3

The electrophile in aromatic sulphonation Is

Question # 4

Kekule structures contributed towards actual structure of benzene

Question # 5

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

Question # 6

During nitration of benzene, the active nitrating agent is:

Question # 7

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

Question # 8

Which compound is the most reactvie one:

Question # 9

Which of the following is explosive?

Question # 10

Benzene gives reactions generally:

Question # 11

Ozonolysis of benzene gives:

Question # 12

The hybirdization in benzene is:

Question # 13

Bond angle in benzene is

Question # 14

During nitration of benzene. the active nitrating agent is

Question # 15

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

Question # 16

Ozonolysis of benzene gives

Question # 17

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

Question # 18

Characterstics of aromaic are:

Question # 19

Benzene was discovered by first of all:

Question # 20

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

Question # 21

Benzene was discovered by first of all

Question # 22

Benzene gives reactions generally:

Question # 23

Simplest aromatic compound is

Question # 24

Which term was derived from "aroma":

Question # 25

Kekule structures contributed towards actual structure of benzene

Question # 26

Aromatic hydrocarbons are derivatives of

Question # 27

Arenes are also called

Question # 28

Benzene cannot undergo:

Question # 29

Benzene acid can be prepared from the oxidation of:

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
2 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
3 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene
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 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
6 Which compound is the most reactvie one:
A. benzene
B. ethene
C. ethane
D. ethyne
7 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
8 Empirical formula mass of benzene is times lesser than molecular formula mass
A. four
B. five
C. six
D. seven
9 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
10 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane

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