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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 20 Aromatic Hydrocarbons

00:00
Question # 1

Which of the following is explosive:

Question # 2

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

Question # 3

Arenes are also called

Question # 4

Benzene was discovered by first of all

Question # 5

Acyiation of benzene to produce aliphatic aromatic ketones is known as

Question # 6

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

Question # 7

Aromatic compounds burn with sooty flame cause

Question # 8

The electrophile in aromatic sulphontion is:

Question # 9

Aroma meas:

Question # 10

Ozonolysis of benzene gives

Question # 11

Kekule structures contributed towards actual structure of benzene

Question # 12

Among the following, poly cyclic compound is:

Question # 13

Benzoic acid can be prepared from the oxidation of

Question # 14

Which of the following is explosive?

Question # 15

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

Question # 16

Benzene gives reactions generally:

Question # 17

Benzene reacts with Cl, in sunlight to give the end product

Question # 18

Benzene was discovered by first of all:

Question # 19

During nitration of benzene. the active nitrating agent is

Question # 20

Which compound is the most reactvie one:

Question # 21

Which term was derived from atomos?

Question # 22

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

Question # 23

Benzene acid can be prepared from the oxidation of:

Question # 24

Which terms was derived from " aroma"?

Question # 25

The hybirdization in benzene is:

Question # 26

Monosubstituted benzene can have disubstitution at position

Question # 27

Characterstics of aromaic are:

Question # 28

Aromatic compounds burn with sooty flame cause:

Question # 29

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

Question # 30

During nitration of benzene, the active nitrating agent is:

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 20 Aromatic Hydrocarbons MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 20 Aromatic Hydrocarbons MCQ`s Test

  • F
    Farzand Shah Farzand Shah 24 - May - 2024 01 Min 27 Sec 120/120
  • H
    Haider Ali 26 - May - 2024 01 Min 54 Sec 120/120
  • M
    Muhammad Ali 25 - Jun - 2024 01 Min 51 Sec 115/120
  • U
    Usman Saif 29 - May - 2024 01 Min 41 Sec 110/120
  • A
    Arooj Fatima 27 - May - 2024 06 Min 10 Sec 105/120
  • N
    Najam Mirza 17 - May - 2024 01 Min 59 Sec 100/120
  • A
    Abdullah Akhtar 06 - Jun - 2024 07 Min 47 Sec 95/120
  • A
    Abdul Nafay 29 - Aug - 2024 03 Min 21 Sec 90/120
  • R
    Rana waqar 24 - May - 2024 03 Min 44 Sec 85/120
  • G
    Ghulam Destgeer Destgeer 23 - May - 2024 02 Min 05 Sec 80/120
  • I
    I am Ishaxtar 25 - Mar - 2026 04 Min 31 Sec 80/120
  • A
    Abid Hussain 28 - Dec - 2024 04 Min 31 Sec 80/120
  • F
    Fatima Anis 05 - Jan - 2025 05 Min 49 Sec 80/120
  • M
    Mohad Ikram 20 - May - 2024 05 Min 32 Sec 75/120
  • Z
    Zoya Zoya 27 - May - 2024 05 Min 45 Sec 75/120

ECAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following acid can be used as a catalyst in Friedel craft's reaction
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
3 During nitration of benzene. the active nitrating agent is
A. NO3-1
B. NO2+
C. NO2-1
D. HNO3
4 Benzene was discovered by first of all:
A. Micheal Faraday
B. Hofmann
C. Ainderson
D. Sorenbon
5 Which term was derived from atomos?
A. atom
B. hydrocarbon
C. aromatic
D. aliphatic
6 Resonance energy of benzene is (in KJ mol-1):
A. 120
B. 150
C. 170
D. 180
7 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
8 Acyiation of benzene to produce aliphatic aromatic ketones is known as
A. Friedel Craft's reaction
B. benzenecondensation
C. hydroformylation
D.
Clemmensen reduction
9 The hybirdization in benzene is:
A. sp3
B. sp2
C. sp2
D. dsp2
10 Benzene cannot undergo:
A. Substitutions reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions

Test Questions