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Byju's Answer
Standard XII
Chemistry
Reactivity with Air and Water (Group 2)
Which of the ...
Question
Which of the following gives
B
2
H
6
on reaction with
N
a
B
H
4
.
A
L
i
A
l
H
4
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B
N
a
O
H
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C
I
2
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D
None
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Solution
The correct option is
C
I
2
N
a
B
H
4
(
s
)
+
I
2
→
B
2
H
6
(
g
)
+
N
a
l
(
s
)
+
H
2
Balanced equation
2
N
a
B
H
4
(
s
)
+
I
2
→
B
2
H
6
(
g
)
+
2
N
a
l
(
s
)
+
H
2
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0
Similar questions
Q.
Which of the following gives
B
2
H
6
on reaction with
N
a
B
H
4
.
Q.
Which of the following gives
B
2
H
6
on reaction with
N
a
B
H
4
.
Q.
A ketone (A) forms iodoform when it reacts with
I
2
+
N
a
O
H
. (A) on reduction with
N
a
B
H
4
gives (B) which on heating with
H
2
S
O
4
gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.
Q.
Among the following the one that gives positive iodoform test upon reaction with
I
2
and NaOH is -
Q.
N
a
B
H
4
+
I
2
→
X
+
Y
+
Z
B
F
3
+
N
a
H
450
K
−
−−
→
X
+
P
B
F
3
+
L
i
A
l
H
4
→
X
+
Q
Identify
X
,
Y
,
Z
,
P
and
Q
.
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