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

Aromatic compounds burn with sooty flame cause:

Question # 2

During nitration of benzene, the active nitrating agent is:

Question # 3

Aromatic compounds burn with sooty flame cause

Question # 4

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

Question # 5

Characterstics of aromaic are:

Question # 6

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

Question # 7

Benzene acid can be prepared from the oxidation of:

Question # 8

The hydridization in benzene is

Question # 9

Simplest aromatic compound is

Question # 10

During nitration of benzene. the active nitrating agent is

Question # 11

The benzene molecule contains:

Question # 12

Which of the following is explosive:

Question # 13

Among the following, poly cyclic compound is:

Question # 14

Benzene cannot undergo:

Question # 15

Which compound is the most reactive one?

Question # 16

Which of the following is explosive?

Question # 17

Bond angle in benzene is :

Question # 18

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 19

Which compound is the most reactvie one:

Question # 20

Which term was derived from atomos?

Question # 21

Benzene was discovered by first of all:

Question # 22

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

Question # 23

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

Question # 24

The hybirdization in benzene is:

Question # 25

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

Question # 26

Aromatic hydrocarbons are derivatives of

Question # 27

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

Question # 28

Benzene gives reactions generally

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
2 Which of the following is explosive:
A. Trinitropheonal
B. Nitropheonal
C. Nitromethane
D. Nitrobenzene
3 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
4 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
5 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
6 Which term was derived from "aroma":
A. Atom
B. Hydrocarbons
C. aromatic
D. aliphatic
7 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
8 Among the following, poly cyclic compound is
A. styrene
B. cumene
C. naphthalene
D. xylene
9 Amongst the following, the compound that can be most readily sulphonated is
A. toluene
B. benzene
C. nitrobenzene
D. chlorobenzene
10 The electrophile in aromatic sulphonation Is
A. H2SO4
B. HSO4-
C. SO3
D. SO3+

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