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

Simplest aromatic compound is

Question # 2

The electrophile in aromatic sulphonation Is

Question # 3

Arenes are also called

Question # 4

Which terms was derived from " aroma"?

Question # 5

During nitration of benzene, the active nitrating agent is:

Question # 6

Among the following, poly cyclic compound is:

Question # 7

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

Question # 8

Ozonolysis of benzene gives:

Question # 9

Benzene was discovered by first of all:

Question # 10

The benzene molecule contains

Question # 11

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

Question # 12

Benzene gives reactions generally:

Question # 13

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 14

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

Question # 15

Benzoic acid can be prepared from the oxidation of

Question # 16

Which term was derived from "aroma":

Question # 17

Ratio of carbon to hydrogen in aromatic compounds is

Question # 18

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

Question # 19

Aromatic compounds burn with sooty flame cause:

Question # 20

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

Question # 21

The hydridization in benzene is

Question # 22

The hybirdization in benzene is:

Question # 23

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

Question # 24

Simple aromatic compound is:

Question # 25

Bond angle in benzene is :

Question # 26

Which is the property of benzene?

Question # 27

Benzene reacts with Cl, in sunlight to give the end product

Question # 28

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

Question # 29

The benzene molecule contains:

Question # 30

Which of the following is explosive?

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ECAT Class Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Kekule structures contributed towards actual structure of benzene
A. 60%
B. 70%
C. 80%
D. 90%
2 Aromatic compounds burn with sooty flame cause
A. They have high percentage of hydrogen
B. They have a ring structure
C. They have high percentage of carbon
D. They resist reaction with air
3 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene
4 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
5 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
6 Which terms was derived from " aroma"?
A. atom
B. hydrocarbons
C. aromatic
D. aliphatic
7 Characterstics of aromaic are:
A. how hydrogen carbon ratio than alkanes
B. characterstics oudour
C. a &B
D. Characterstics properties
8 Which of the following is explosive:
A. Trinitropheonal
B. Nitropheonal
C. Nitromethane
D. Nitrobenzene
9 Which term was derived from atomos?
A. atom
B. hydrocarbon
C. aromatic
D. aliphatic
10 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl

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