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

Bond angle in benzene is

Question # 2

Which is the property of benzene:

Question # 3

Among the following, poly cyclic compound is

Question # 4

The hybirdization in benzene is:

Question # 5

Monosubstituted benzene can have disubstitution at position

Question # 6

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

Question # 7

Benzene gives reactions generally

Question # 8

Monosubstituted benzene can have disubstitution at position:

Question # 9

Ratio of carbon to hydrogen in aromatic compounds is

Question # 10

During nitration of benzene, the active nitrating agent is:

Question # 11

Ozonolysis of benzene gives

Question # 12

Characterstics of aromaic are:

Question # 13

Aromatic compounds burn with sooty flame cause

Question # 14

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

Question # 15

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

Question # 16

The benzene molecule contains

Question # 17

Which of the following is explosive?

Question # 18

The electrophile in aromatic sulphonation Is

Question # 19

Among the following, poly cyclic compound is:

Question # 20

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

Question # 21

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 22

The hydridization in benzene is

Question # 23

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

Question # 24

Benzoic acid can be prepared from the oxidation of

Question # 25

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

Question # 26

Which compound is the most reactive one?

Question # 27

Simplest aromatic compound is

Question # 28

Which of the following is explosive:

Question # 29

Which compound is the most reactvie one:

Question # 30

Bond angle in benzene is :

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
2 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
3 Benzene acid can be prepared from the oxidation of:
A. benzene
B. ethyl benzene
C. benzonic acid
D. toluene
4 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
5 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
6 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
7 Which compound is the most reactvie one:
A. benzene
B. ethene
C. ethane
D. ethyne
8 The conversion of n-hexane into benzene by heating in the presence of CO, is called
A. lsomerization
B. Aromatization
C. Dealkylation
D. Rearrangement
9 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
10 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic

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