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AIEEE 2008 Solved Paper
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© examsnet.com
Question : 27
Total: 104
The organic chloro compound, which shows complete stereochemical inversion during a
S
N
2
reaction, is
(
C
2
H
5
)
2
CHC
(
CH
3
)
3
CCl
(
CH
3
)
2
CHCl
CH
3
Cl
Validate
Solution:
S
N
2
reaction is favoured by small groups on the carbon atom attached to halogen.
So, the order of reactivity is
CH
3
Cl
>
(
CH
3
)
2
CHCl
>
(
CH
3
)
3
CCl
>
(
C
2
H
5
)
2
CHCl
NOTE :
S
N
2
reaction is shown to maximum extent by primary halides. The only primary halides given is
CH
3
Cl
, so the correct answer is
(
d
)
.
© examsnet.com
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