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Question
Chemistry
The best method for the preparation of 2,2 -dimethyl-butane is via the reaction of
Q. The best method for the preparation of
2
,
2
-dimethyl-butane is via the reaction of
2671
248
WBJEE
WBJEE 2013
Hydrocarbons
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A
M
e
3
CB
r
and
M
e
C
H
2
B
r
in
N
a
/ether
52%
B
(
M
e
3
C
)
2
C
uL
i
and
M
e
C
H
2
B
r
18%
C
(
M
e
C
H
2
)
2
C
uL
I
and
M
e
3
CB
r
21%
D
M
e
3
CM
g
I
and
M
e
C
H
2
I
9%
Solution:
2
,
2
- dimethyl butane is prepared from Corey House alkane synthesis.
(
M
a
3
C
)
2
C
uL
i
+
M
e
C
H
2
B
r
S
N
2
m
e
3
C
−
C
H
2
C
H
3
+
M
e
3
C
B
r
C
uL
i