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Byju's Answer
Standard XII
Chemistry
Synthesis by Reduction of Nitriles
CH3CH2CH2= CH...
Question
C
H
3
C
H
2
C
H
2
=
C
H
2
→
C
H
3
C
H
2
C
H
2
C
H
2
N
H
2
Required catalyst is :
A
L
i
A
l
H
4
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B
B
2
H
6
/
N
H
2
C
l
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C
N
a
N
O
2
/HCl
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D
none
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Solution
The correct option is
A
B
2
H
6
/
N
H
2
C
l
The correct answer is B
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Q.
Partial reduction of A is selectively done using :
Q.
Partial reduction of A is selectively done using :
Q.
R
−
C
O
−
R
?
→
R
−
C
H
2
−
R
How many among the following regents can make the conversion?
(
i
)
Z
n
−
H
g
/
H
C
l
,
(
i
i
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L
i
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l
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,
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C
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K
O
H
(
i
v
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N
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4
/
O
H
−
,
(
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H
S
−
C
H
2
−
C
H
2
−
S
H
,
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/
N
i
(
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i
)
S
e
O
2
,
(
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i
i
)
P
C
C
Q.
R
−
C
O
−
R
?
→
R
−
C
H
2
−
R
How many among the following regents can make the conversion?
(
i
)
Z
n
−
H
g
/
H
C
l
,
(
i
i
)
L
i
A
l
H
4
,
(
i
i
i
)
C
H
C
l
3
/
K
O
H
(
i
v
)
N
2
H
4
/
O
H
−
,
(
v
)
H
S
−
C
H
2
−
C
H
2
−
S
H
,
H
2
/
N
i
(
v
i
)
S
e
O
2
,
(
v
i
i
)
P
C
C
Q.
Which of the following carbocation is most stable?
(a)
(
C
H
3
)
3
C
−
C
H
+
2
(b)
(
C
H
3
)
3
C
+
(c)
C
H
3
C
H
2
C
H
+
2
(d)
C
H
3
C
H
+
C
H
2
C
H
3
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