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

Aromatic compounds burn with sooty flame cause:

Question # 2

Which is the property of benzene:

Question # 3

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

Question # 4

Benzene was discovered by first of all

Question # 5

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

Question # 6

Kekule structures contributed towards actual structure of benzene

Question # 7

The electrophile in aromatic sulphonation Is

Question # 8

Which of the following is explosive?

Question # 9

Among the following, poly cyclic compound is

Question # 10

Which of the following is explosive:

Question # 11

The hybirdization in benzene is:

Question # 12

Ratio of carbon to hydrogen in aromatic compounds is

Question # 13

Bond angle in benzene is :

Question # 14

Ratio of carbon to hydrogen in aromatic compounds is:

Question # 15

Benzoic acid can be prepared from the oxidation of

Question # 16

Simple aromatic compound is:

Question # 17

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

Question # 18

Monosubstituted benzene can have disubstitution at position

Question # 19

Benzene was discovered by first of all:

Question # 20

Which is the property of benzene?

Question # 21

Ozonolysis of benzene gives:

Question # 22

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

Question # 23

Which compound is the most reactive one?

Question # 24

Aroma meas:

Question # 25

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

Question # 26

Aromatic compounds burn with sooty flame cause

Question # 27

Which compound is the most reactvie one:

Question # 28

Ozonolysis of benzene gives

Question # 29

Which term was derived from "aroma":

Question # 30

Benzene cannot undergo

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 is the property of benzene:
A. Decolourizes KMnO4
B. straight chain structure
C. only double bond is present
D. triple and double bond
3 Benzene gives reactions generally:
A. Electropholic subsitution
B. addition
C. synthesis
D. addition and electropholic subsitution
4 The conversion of n-hexane into benzene by heating in the presence of Cr2O3 is called:
A. Isomerization
B. Aromatization
C. Dealkylation
D. Rearrangment
5 Monosubstituted benzene can have disubstitution at position
A. ortho
B. meta
C. para
D. a, b, c
6 Aromatic compounds burn with sooty flame cause:
A. They have high percentage of hydrogan
B. They have ring structure
C. They have high percentage of carbon
D. They resist reaction with air
7 Bond angle in benzene is
A. 109.5°
B. 180°
C. 120°
D. 107.20
8 empirical formula mass of benzene is time lesser than moleculer formula mass:
A. four
B. five
C. six
D. seven
9 Benzene reacts with Cl, in sunlight to give the end product
A. C6H6Cl6
B. C6H6Cl
C. O - C6H4Cl2
D. P-C6H4Cl2
10 Aromatic hydrocarbons are derivatives of
A. normal series of paraffins
B. alkene
C. benzene
D. cyclohexane

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!