2nd Year Chemistry Online MCQ Test for Chapter 9 Aromatic Hydrocarbons Preparation

MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 9 Online Test"

Try The MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 9 Online Test"

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Chemistry Fsc Part 2 Chapter 9 Online Test

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Question # 1

Which catalyst is used Friedel Crafts reactions

Question # 2

Main source of aromatic compound is

Question # 3

During Nitration of Benzene the active nitrating agent is

Question # 4

Hydrolysis of benzene sulphonic acid with superheated steam or by boiling with dil HCl gives.

Question # 5

The conversation of n-hexane into benzene by heating in in the presence of Pt is called

Question # 6

Benzene can not undergo.

Question # 7

Which of the following species is ortho and para director.

Question # 8

The resonating contributing structures of Benzene are

Question # 9

The number of possible isomers of xylene are

Question # 10

The compound which can not be nitrated easily.

Question # 11

The structure of Benzene is

Question # 12

Structure of benzene is

Question # 13

Effect of substituent on benzene ring is due to

Question # 14

Cyclic structure of benzene was proposed by

Question # 15

Which compound is the more reactive

Question # 16

Which of the following is Ortho and Para directing group

Question # 17

The electrophile in Aromatic sulphonation is

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FSC Part 2 Chemistry Chapter 9 Online Test MCQ's

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which makes a molecule more stable.
A. Greater localization of pi electrons
B. Less delocalization of pi electrons
C. Greeter delocalization of pi electrons
D. Less delocalization for pi electrons
2 Which catalyst is used Friedel Crafts reactions
A. AlCl3
B. BeCl2
C. NaCl
D. HNO3
3 Which of the following species is ortho and para director.
A. CHO
B. SO3H
C. NO2
D. Cl
4 Which compound is the most reactive
A. Benzene
B. Ethene
C. Ethane
D. Ethyne
5 The resonating contributing structures of Benzene are
A. 2
B. 3
C. 5
D. 7
6 Effect of substituent on benzene ring is due to
A. Resonance
B. Inductive effect
C. Both a and b
D. Neither a nor b
7 Which one of the following species is meta director if present at benzene ring.
A. -NO2
B. -Cl
C. -CH3
D. -OH
8 Aromatic compounds burns with sooty flame because.
A. They have high percentage of hydrogen
B. The have a right structure
C. The have high percentage of carbon
D. The resist reaction with air
9 The aromatic ring of Benzene can be hydrogenated in the presenc eof.
A. Pt
B. Rh
C. Sunlight
D. O3
10 The number of possible isomers of xylene are
A. 2
B. 3
C. 4
D. 5

Test Questions