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

Which compound is the most reactive one?

Question # 2

Benzene gives reactions generally:

Question # 3

The hybirdization in benzene is:

Question # 4

Ozonolysis of benzene gives

Question # 5

Benzene cannot undergo:

Question # 6

Benzoic acid can be prepared from the oxidation of

Question # 7

Simplest aromatic compound is

Question # 8

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

Question # 9

During nitration of benzene, the active nitrating agent is:

Question # 10

Which term was derived from atomos?

Question # 11

Benzene cannot undergo

Question # 12

Characterstics of aromaic are:

Question # 13

Among the following, poly cyclic compound is:

Question # 14

Kekule structures contributed towards actual structure of benzene

Question # 15

Benzene gives reactions generally

Question # 16

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

Question # 17

Arenes are also called

Question # 18

During nitration of benzene. the active nitrating agent is

Question # 19

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

Question # 20

Which term was derived from "aroma":

Question # 21

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

Question # 22

The hydridization in benzene is

Question # 23

Which terms was derived from " aroma"?

Question # 24

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

Question # 25

Which compound is the most reactvie one:

Question # 26

The electrophile in aromatic sulphonation Is

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
2 Aromatic compounds burn with sooty flame cause:
A. They have high percentage of hydrogan
B. They have ring structure
C. They have high percentage of carbon
D. They resist reaction with air
3 The benzene molecule contains
A. Three double bond
B. Two double bond
C. One double bond
D. Delocalized pie electron charge
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 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
6 The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:
A. Isomerization
B. Aromatization
C. Dealkylation
D. Rearrangment
7 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
8 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+
9 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
10 Amongst the following, the compound that can be most readily sulphonated is
A. toluene
B. benzene
C. nitrobenzene
D. chlorobenzene

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