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Byju's Answer
Standard XII
Chemistry
Dehydration of Alcohols
Complete the ...
Question
Complete the following reaction.
C
H
2
=
C
H
2
N
a
C
l
+
B
r
2
⟶
Open in App
Solution
In the given reaction first
B
r
−
B
r
bond breaks and forms cyclic bromo cation. This cation is than attacked by
C
l
−
ion to form
C
−
C
l
bond to obtain 1-bromo-2-chloro-ethane as a final product.
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Q.
Complete the following reaction :
C
H
3
- CH =
C
H
2
O
3
→
(A)
Z
n
+
H
2
O
→
(B)
Q.
Complete the following reactions :
i)
R
−
C
H
2
−
O
H
C
u
−
−−
→
573
K
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ii)
C
H
3
−
C
H
=
C
H
2
+
H
2
O
H
+
⇌
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Q.
Complete the following reaction se
quence:
C
H
3
C
H
2
C
H
2
O
H
P
B
r
5
−
−−
→
(
A
)
K
O
H
(
A
l
c
.
)
−
−−−−−−−−
→
(
B
)
H
B
r
−
−−
→
(
C
)
N
H
3
−
−−
→
(
D
)
Q.
The alternative path for radical chain reactions of
B
r
2
with ethane may be represented as follows:
1)
C
H
3
−
C
H
3
+
B
r
2
→
C
H
3
−
C
H
2
−
B
r
+
H
B
r
2)
C
H
3
−
C
H
3
+
B
r
2
→
2
C
H
3
B
r
Q.
Complete the following chemical reactions and write the products.
(i)
C
H
3
−
C
H
2
−
C
l
+
K
O
H
(
a
l
c
.
)
→
(ii)
R
−
C
H
=
C
H
2
+
H
B
r
P
e
r
o
x
i
d
e
−
−−−−
→
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