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"

  • Total Questions17

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Chemistry Fsc Part 2 Chapter 9 Online Test

00:00
Question # 1

Which of the following is Ortho and Para directing group

Question # 2

The number of possible isomers of xylene are

Question # 3

The benzene molecule contains

Question # 4

Which compound is the more reactive

Question # 5

Among the following the compound that can be most readily suphonted is.

Question # 6

Which makes a molecule more stable.

Question # 7

Which catalyst is used Friedel Crafts reactions

Question # 8

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

Question # 9

When acetylene is heated at 300 oC in copper tube, the product obtained is.

Question # 10

Which compound is the most reactive one

Question # 11

Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.

Question # 12

Structure of benzene is

Question # 13

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

Question # 14

Benzene molecule is made up of.

Question # 15

Which compound is the most reactive

Question # 16

Which one is not a meta directing group

Question # 17

Aromatic compounds burns with sooty flame because.

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9th Chapter

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 Benzene molecule is made up of.
A. 3- pi and 9 sigma bonds
B. 6- pi and 6 sigma bonds
C. 6 -pi and 12 sigma bonds
D. 4 -pi and 12 sigma bonds
2 Which catalyst is used Friedel Crafts reactions
A. AlCl3
B. BeCl2
C. NaCl
D. HNO3
3 The conversion of benzene to chlorobenzene is a
A. Addition reaction
B. Elimination reaction
C. Substitution reaction
D. Dehydration process
4 Benzene can not undergo.
A. Substitution reactions
B. Addition reactions
C. Oxidation reactions
D. Elimination reactions
5 The benzene molecule contains.
A. Three double bonds
B. Two double bonds
C. One double bonds
D. Delocalized sigma electron charge
6 Which of the following species is ortho and para director.
A. CHO
B. SO3H
C. NO2
D. Cl
7 The resonating contributing structures of Benzene are
A. 2
B. 3
C. 5
D. 7
8 Which of the following acid can be used as a catalyst in Friedel Craft's reactions
A. AlCl3
B. HNO3
C. BeCl2
D. NaCl
9 Structure of benzene is
A. Tetrahedral
B. Trigonal planar
C. Hexagonal planar
D. Linear
10 Which group when attached with benzene increases electron density of ring.
A. -COOH
B. -NO
C. -CHO
D. -CH3

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