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

Characterstics of aromaic are:

Question # 3

Benzene was discovered by first of all

Question # 4

During nitration of benzene, the active nitrating agent is:

Question # 5

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

Question # 6

Benzene gives reactions generally

Question # 7

Among the following, poly cyclic compound is:

Question # 8

Simple aromatic compound is:

Question # 9

The electrophile in aromatic sulphonation Is

Question # 10

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 11

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

Question # 12

Benzene cannot undergo:

Question # 13

Benzoic acid can be prepared from the oxidation of

Question # 14

Aromatic hydrocarbons are derivatives of

Question # 15

Arenes are also called

Question # 16

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

Question # 17

Kekule structures contributed towards actual structure of benzene

Question # 18

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

Question # 19

Which of the following is explosive?

Question # 20

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 21

Which is the property of benzene?

Question # 22

Ozonolysis of benzene gives

Question # 23

Aromatic compounds burn with sooty flame cause

Question # 24

Aromatic hydrocarbons are the derivatives of:

Question # 25

Benzene acid can be prepared from the oxidation of:

Question # 26

Ozonolysis of benzene gives:

Question # 27

Aroma meas:

Question # 28

Monosubstituted benzene can have disubstitution at position

Question # 29

Benzene cannot undergo

Question # 30

Which terms was derived from " aroma"?

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
2 The electrophile in aromatic sulphontion is:
A. H2SO4
B. HSO4
C. SO3
D. SO3+
3 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
4 During nitration of benzene. the active nitrating agent is
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
5 Acylation of benzene to produce aliphatic aromatic ketones is known as:
A. Friedel Craft's reaction
B. Benzene condensation
C. Hydroformylation
D. Cellemense
6 The benzene molecule contains:
A. Three double bond
B. Two double bond
C. One double bond
D. DelocalizedᏘ electron charge
7 Benzoic acid can be prepared from the oxidation of
A. benzene
B. ethyl benzene
C. benzoic acid
D. toluene
8 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane
9 Benzene reacts with Cl, in sunlight to give the end product
A. C6H6Cl6
B. C6H6Cl
C. O - C6H4Cl2
D. P-C6H4Cl2
10 Which is the property of benzene:
A. Decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond

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