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Aromatic Hydrocarbons - 3
1.
Compounds containing _______________ double bonds are more stable than those containing ________________ double bond.
a) Hydrogen, Halogen
b) Benzene, Benzene
c) Benzene sulphoric acid
d) Conjugated, isolated
2.
The different structures of benzene are called as ________________.
a) Planar Hexagonal
b) Delocalization of electron
c) Resonance structure
d) Benzene sulphoric acid
3.
In aromatic compounds the stability of a molecule increase with increase in the number of its __________________.
a) Resonance structure
b) Planar Hexagonal
c) Delocalization of electron
d) Benzene sulphoric acid
4.
Complete 3HC
ยบ
CH Organo-nickel catalyst
70
o
C
a) V
2
O
5
b) SP2
c) 397Ao &1.09Ao
d) C
6
H
6
5.
When alkyl benzenes are treated with chlorine or bromine in the presence of sunlight, only __________ groups are substituted.
a) Fragrant
b) Alkyl
c) Elemental
d) Right
6.
When benzene in heated with fuming H
2
SO
4
or Conc. H
2
SO
4
, it yields _____________.
a) Resonance structure
b) Alphabetical order
c) Benzene sulphoric acid
d) Elemental
7.
The benzene ring is destroyed when strongly heated with air in the presence of ____________.
a) Alkyl
b) V
2
O
5
c) SP2
d) C
6
H
6
8.
Hydrogen to carbon ratio in aromatic by hydrocarbon is
a) Low
b) Equal
c) High
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