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Tardigrade
Question
Chemistry
In the mechanism for the reaction of HBr with t-butyl alcohol, pick out the correct statement.
Q. In the mechanism for the reaction of HBr with t-butyl alcohol, pick out the correct statement.
2162
197
NTA Abhyas
NTA Abhyas 2020
Alcohols Phenols and Ethers
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A
Formation of protonated alcohol in a slow step
0%
B
Formation of
(
C
H
3
)
3
C
+
is a slow step
83%
C
Formation of
(
C
H
3
)
3
CB
r
from
(
C
H
3
)
3
C
+
is a slow step
17%
D
Formation of
(
C
H
3
)
3
C
+
is a fast step
0%
Solution:
The mechanism of this reaction is as follows
(
C
H
3
)
3
CO
H
+
H
B
r
⇌
(
C
H
3
)
3
CO
H
2
+
B
r
−
(fast)
Hence, formation on carbocation
(
C
H
3
)
3
C
+
is slow step (R.D.S.).
