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

Question # 2

Which term was derived from "aroma":

Question # 3

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

Question # 4

Among the following, poly cyclic compound is:

Question # 5

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

Question # 6

Benzene gives reactions generally

Question # 7

Aromatic compounds burn with sooty flame cause

Question # 8

Arenes are also called

Question # 9

Among the following, poly cyclic compound is

Question # 10

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

Question # 11

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

Question # 12

Monosubstituted benzene can have disubstitution at position

Question # 13

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

Question # 14

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

Question # 15

The hybirdization in benzene is:

Question # 16

Which is the property of benzene?

Question # 17

Ozonolysis of benzene gives:

Question # 18

The benzene molecule contains

Question # 19

Benzene gives reactions generally:

Question # 20

The benzene molecule contains:

Question # 21

Benzene gives reactions generally:

Question # 22

Characterstics of aromaic are:

Question # 23

During nitration of benzene, the active nitrating agent is:

Question # 24

Ratio of carbon to hydrogen in aromatic compounds is

Question # 25

Benzene was discovered by first of all:

Question # 26

The electrophile in aromatic sulphonation Is

Question # 27

Which compound is the most reactive one?

Question # 28

Benzoic acid can be prepared from the oxidation of

Question # 29

Which of the following is explosive?

Question # 30

The electrophile in aromatic sulphontion is:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
2 Benzene gives reactions generally
A. electrophilic
B. addition substitution
C. synthesis
D. addition and electrophilic substitution
3 Which of the following is explosive?
A. Trinitrophenol
B. Nitrophenol
C. Nitromethane
D. Nitrobenzene
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 Benzene was discovered by first of all
A. Michael Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
6 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic
7 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
8 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
9 Simple aromatic compound is:
A. benzene
B. toluene
C. aniline
D. phenol
10 Which is the property of benzene?
A. decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond

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