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

FSC Part 2 Chemistry
Chapter 9 Test

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FSC Part 2 Chemistry Wise Test
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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 one is not a meta directing group

Question # 2

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

Question # 3

The resonating contributing structures of Benzene are

Question # 4

Effect of substituent on benzene ring is due to

Question # 5

Benzene can not undergo.

Question # 6

Aromatic compounds burns with sooty flame because.

Question # 7

During nitration of benzene, the active nitrating agent is

Question # 8

Which one of the following species is meta director if present at benzene ring.

Question # 9

Cyclic structure of benzene was proposed by

Question # 10

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

Question # 11

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

Question # 12

The benzene molecule contains

Question # 13

The number of possible isomers of xylene are

Question # 14

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

Question # 15

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

Question # 16

Main source of aromatic compound is

Question # 17

Which compound form benzoic acid on oxidation with strong oxidizing agent.

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 Aromatic hydro carbon are the derivatives of
A. Normal series of paraffins
B. Alkene
C. Benzene
D. Cyclohexane
2 Main source of aromatic compound is
A. Petroleum
B. Coaltar
C. Living organisms
D. Dead marine animals
3 Benzene cannot undergo
A. Substitution reactions
B. addition reactions
C. oxidation reactions
D. elimination reactions
4 Which compound is the most reactive
A. Benzene
B. Ethene
C. Ethane
D. Ethyne
5 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
6 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
7 Amongst the following, the compound of that can be most readily sulphonated is
A. Toluene
B. Benzene
C. Nitro-benzene
D. Chloro-benzene
8 Aromatic hydrocarbons are the derivatives of
A. Normal series of paraffins
B. Alkene
C. Benzene
D. Cyclohexane
9 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
10 Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.
A. m -chloronitrobenzene
B. o and p chloronitrobenzene
C. o and m chloronitrobenzene
D. mixture of O2 m and p chloronitrobenzene

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