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

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

Question # 2

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

Question # 3

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

Question # 4

Which makes a molecule more stable.

Question # 5

The aromatic ring of Benzene can be hydrogenated in the presenc eof.

Question # 6

The number of possible isomers of xylene are

Question # 7

The structure of Benzene is

Question # 8

Which compound is the most reactive one

Question # 9

Which catalyst is used Friedel Crafts reactions

Question # 10

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

Question # 11

Which of the following is Ortho and Para directing group

Question # 12

Phenol when distilled with zinc dust gives.

Question # 13

Which one is not a meta directing group

Question # 14

Which compound is the more reactive

Question # 15

Which group when attached with benzene increases electron density of ring.

Question # 16

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

Question # 17

During Nitration of Benzene the active nitrating agent 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 The conversion of benzene to chlorobenzene is a
A. Addition reaction
B. Elimination reaction
C. Substitution reaction
D. Dehydration process
2 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
3 The compound which can not be nitrated easily.
A. Benzene
B. Nitrobenzene
C. Phenol
D. Toluene
4 When acetylene is heated at 300 oC in copper tube, the product obtained is.
A. Benzene
B. Alkyl benzene
C. Ether
D. Alcohol
5 During nitration of benzene, the active nitrating agent is
A. NO3
B. NO2+
C. NO2-
D. HNO3
6 m-choronitro benzene is prepared by
A. Nitration of chlorobenzene
B. Nitration of Benzene
C. Chlorination of Nitrobenzene
D. Nitration of m-chlorobenzene
7 The difference of actual and theoretical heat of hydrogenation of compound is called.
A. Lattice energy
B. Resonance energy
C. Ionization energy
D. Enthalpy of formation
8 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
9 Which one of the following species is meta director if present at benzene ring.
A. -NO2
B. -Cl
C. -CH3
D. -OH
10 The aromatic ring of Benzene can be hydrogenated in the presenc eof.
A. Pt
B. Rh
C. Sunlight
D. O3

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