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

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

Question # 2

The electrophile in aromatic sulphontion is:

Question # 3

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

Question # 4

Aromatic hydrocarbons are derivatives of

Question # 5

Characterstics of aromaic are:

Question # 6

Which of the following is explosive:

Question # 7

Benzene gives reactions generally:

Question # 8

The benzene molecule contains:

Question # 9

The hybirdization in benzene is:

Question # 10

Benzene cannot undergo:

Question # 11

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

Question # 12

Which terms was derived from " aroma"?

Question # 13

Which compound is the most reactvie one:

Question # 14

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

Question # 15

Benzene cannot undergo

Question # 16

Bond angle in benzene is

Question # 17

Which is the property of benzene?

Question # 18

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

Question # 19

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

Question # 20

Benzene gives reactions generally:

Question # 21

Ozonolysis of benzene gives:

Question # 22

Which is the property of benzene:

Question # 23

Among the following, poly cyclic compound is

Question # 24

Benzene was discovered by first of all

Question # 25

Arenes are also called

Question # 26

Which of the following is explosive?

Question # 27

Aromatic compounds burn with sooty flame cause:

Question # 28

Simple aromatic compound is:

Question # 29

Which term was derived from atomos?

Question # 30

Aroma meas:

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ECAT 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 Ozonolysis of benzene gives:
A. Nitration
B. sulphonation
C. ozonide
D. glyoxal
3 Benzene acid can be prepared from the oxidation of:
A. benzene
B. ethyl benzene
C. benzonic acid
D. toluene
4 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
5 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
6 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
7 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
8 Among the following, poly cyclic compound is:
A. styrene
B. cumene
C. napthalene
D. xylene
9 Which compound is the most reactvie one:
A. benzene
B. ethene
C. ethane
D. ethyne
10 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene

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