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 benzene molecule contains:

Question # 2

Benzene gives reactions generally:

Question # 3

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

Question # 4

Benzene cannot undergo

Question # 5

Bond angle in benzene is :

Question # 6

Benzene cannot undergo:

Question # 7

Which term was derived from "aroma":

Question # 8

Bond angle in benzene is

Question # 9

Among the following, poly cyclic compound is:

Question # 10

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

Question # 11

Ozonolysis of benzene gives:

Question # 12

The hybirdization in benzene is:

Question # 13

Which compound is the most reactive one?

Question # 14

Among the following, poly cyclic compound is

Question # 15

Simple aromatic compound is:

Question # 16

Which terms was derived from " aroma"?

Question # 17

Ozonolysis of benzene gives

Question # 18

The electrophile in aromatic sulphonation Is

Question # 19

Characterstics of aromaic are:

Question # 20

Which of the following is explosive?

Question # 21

Benzene acid can be prepared from the oxidation of:

Question # 22

Which is the property of benzene:

Question # 23

Which of the following is explosive:

Question # 24

The electrophile in aromatic sulphontion is:

Question # 25

During nitration of benzene. the active nitrating agent is

Question # 26

Benzoic acid can be prepared from the oxidation of

Question # 27

Which is the property of benzene?

Question # 28

Aromatic compounds burn with sooty flame cause:

Question # 29

Monosubstituted benzene can have disubstitution at position:

Question # 30

Aromatic hydrocarbons are the derivatives of:

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Benzene reacts with Cl, in sunlight to give the end product
A. C6H6Cl6
B. C6H6Cl
C. O - C6H4Cl2
D. P-C6H4Cl2
2 Ozonolysis of benzene gives
A. nitration
B. sulphonation
C. ozonide
D. glyoxal
3 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
4 Amongst the following, the compound that can be most readily sulphonated is:
A. Toluene
B. Benzene
C. nitrobenzene
D. chlorobenzene
5 Which of the following acid can be used as a catalyst in Friedel Craft's reaction?
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
6 Aroma meas:
A. Fragrant
B. Invisible
C. latest affinityt
D. benzene
7 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
8 Aromatic hydrocarbons are the derivatives of:
A. Normal series of parrafins
B. Alkene
C. Benzene
D. Cyclohexane
9 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
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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