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Byju's Answer
Standard XII
Chemistry
Action of Water on Calcium Carbide
CH 3- C ≡ C -...
Question
C
H
3
−
C
≡
C
−
C
H
3
B
H
3
,
T
H
F
−
−−−−−−
→
C
H
3
C
O
O
H
Major product
A
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B
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C
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D
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Solution
The correct option is
D
Hydroboration followed by reaction with
C
H
3
C
O
O
H
takes place which is a syn addition and produces cis alkene.
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3
Similar questions
Q.
C
H
2
=
C
H
−
C
H
2
−
I
H
I
(
e
x
c
e
s
s
)
−
−−−−−−
→
H
e
a
t
major product
Q.
C
H
3
−
C
≡
C
H
H
g
S
O
4
→
d
i
l
.
H
2
S
O
4
(
A
)
C
H
3
−
C
≡
C
H
(
1
)
B
H
3
⋅
T
H
F
→
(
2
)
H
2
O
2
/
H
O
−
(
B
)
.
Product (A) and (B) is differentiated by.
Q.
The reagent X in the reactions
(
C
H
3
)
3
C
C
H
=
C
H
2
X
−
−
→
T
H
F
Y
N
a
B
H
4
−
−−−
→
N
a
O
H
(
C
H
3
)
3
−
C
|
O
H
−
C
H
−
C
H
3
Q.
Predict the products of the following reactions:
(
i
)
C
H
3
−
C
|
C
H
3
=
O
H
C
N
−
−−
→
?
(
i
i
)
C
6
H
5
−
C
H
2
−
C
H
3
(
a
)
K
M
n
O
4
/
K
O
H
−
−−−−−−−−−−
→
(
b
)
H
+
?
(
i
i
i
)
C
H
3
C
O
O
H
N
H
3
/
Δ
−
−−−
→
?
Q.
Assertion :
C
H
3
−
C
H
3
|
C
|
C
H
3
−
C
H
2
−
B
r
+
N
a
O
H
→
C
H
3
−
C
H
3
|
C
|
C
H
3
−
C
H
2
−
O
H
(major). Reason: It follows with formation of more stable carbanion.
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