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Chemistry Class 12 Chapter 9
Aromatic Hydrocarbons
Test 11
1.
During nitration of benzene, the active nitrating agent is?
NO
3
-
NO
2
-
NO
2
+
HNO
3
2.
The chlorination of toluene in the presence of ferric chloride gives predominantly?
m-chlorotoluene
O & p chloride
Benzyle chloride
Benzal chloride
3.
In the halogenations of aromatic nucleus, the halogen carries, is used to generate?
Cl
Cl-
Cl
None of these
4.
Unsaturation nature of benzene is provided by?
Kekule prediction
Tried prediction
Mendeleev prediction
None of these
5.
The term aromatic is derived from?
Aroma
Fragrance
Benzene
Smell
6.
Which one is monocyclic aromatic hydrocarbon?
Benzene
Phenol
Toluene
All of these
7.
In biphenyl methane benzene rings are?
Long length
Contracted
Isolated
None of these
8.
Which one is not fused benzene ring?
Naphthalene
Phenanthrene
Anthracene
Aniline
9.
Benzene was derived by gas produced by?
Raw oil
Vegetable oil
Kerosene oil
Petroleum oil
10.
Benzene can give three?
Mono-substituted product
Di-substituted product
Tri-substituted product
All of these
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