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AIIMS 2018 May 26 Chemistry Evening Question Paper with solutions for online practice
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© examsnet.com
Question : 5
Total: 45
Reactivity order for SN1
C
H
3
−
C
H
|
C
l
−
C
H
2
−
C
H
3
(
i
)
P
h
−
C
H
2
−
C
H
|
C
l
−
C
H
3
(
i
i
)
C
H
3
−
C
l
|
C
|
O
C
H
3
−
C
H
3
(
i
i
i
)
C
H
3
−
C
H
2
−
C
H
2
−
C
l
(
i
v
)
I > ii > iii > iv
ii > I > iii > iv
iii > ii > i > iv
v > iii > ii > i
Validate
Solution:
Rate of SN1 α stability of carbocation, α+l,+M,HC effect
(
i
)
C
H
3
C
l
|
C
H
−
C
H
2
−
C
H
3
→
C
H
3
−
⊕
C
H
−
C
H
2
−
C
H
3
(
i
i
)
P
H
−
C
H
2
−
C
H
|
C
l
−
C
H
3
→
P
H
−
C
H
2
−
⊕
C
H
−
C
H
3
(
i
i
i
)
C
H
3
−
C
l
|
C
|
O
C
H
3
−
C
H
3
→
C
H
3
−
⊕
C
|
O
C
H
3
−
C
H
3
(
i
v
)
C
H
3
−
C
H
2
−
C
H
2
−
C
l
→
C
H
3
−
C
H
2
−
C
H
2
+
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