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 terms was derived from " aroma"?

Question # 2

The benzene molecule contains

Question # 3

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

Question # 4

Benzene acid can be prepared from the oxidation of:

Question # 5

Benzene cannot undergo:

Question # 6

Aromatic hydrocarbons are the derivatives of:

Question # 7

Simple aromatic compound is:

Question # 8

Among the following, poly cyclic compound is:

Question # 9

Ozonolysis of benzene gives

Question # 10

Benzene gives reactions generally:

Question # 11

Benzene cannot undergo

Question # 12

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

Question # 13

Which term was derived from "aroma":

Question # 14

Bond angle in benzene is

Question # 15

The electrophile in aromatic sulphontion is:

Question # 16

Simplest aromatic compound is

Question # 17

Which term was derived from atomos?

Question # 18

Which of the following is explosive?

Question # 19

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

Question # 20

Benzene gives reactions generally

Question # 21

Benzoic acid can be prepared from the oxidation of

Question # 22

Which is the property of benzene?

Question # 23

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

Question # 24

Arenes are also called

Question # 25

The electrophile in aromatic sulphonation Is

Question # 26

Which compound is the most reactive one?

Question # 27

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 28

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

Question # 29

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

Question # 30

Ratio of carbon to hydrogen in aromatic compounds is

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ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
2 Which is the property of benzene?
A. decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
3 The hydridization in benzene is
A. sp3
B. sp2
C. sp4
D. dsp2
4 Benzene acid can be prepared from the oxidation of:
A. benzene
B. ethyl benzene
C. benzonic acid
D. toluene
5 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane
6 Ratio of carbon to hydrogen in aromatic compounds is
A. Low than alkanes
B. High than alkanes
C. Low than alkenes not high than alkanes
D. High than high than alkenes
7 Which compound is the most reactive one?
A. benzene
B. ethene
C. ethane
D. ethyne
8 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
9 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
10 Benzene cannot undergo
A. substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions

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