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Byju's Answer
Standard XII
Chemistry
Diborane
By which of t...
Question
By which of the following reactions is borazine prepared?
A
B
2
H
6
+
N
H
3
(
e
x
c
e
s
s
)
l
o
w
t
e
m
p
e
r
a
t
u
r
e
−
−−−−−−−−−
→
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B
B
2
H
6
+
N
H
3
(
e
x
c
e
s
s
)
h
i
g
h
t
e
m
p
e
r
a
t
u
r
e
−
−−−−−−−−−
→
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C
B
2
H
6
+
N
H
3
h
i
g
h
t
e
m
p
r
a
t
u
r
e
−
−−−−−−−−−−−
→
r
a
t
i
o
:
2
N
H
3
:
1
B
2
H
6
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D
None of these
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Solution
The correct option is
B
B
2
H
6
+
N
H
3
h
i
g
h
t
e
m
p
r
a
t
u
r
e
−
−−−−−−−−−−−
→
r
a
t
i
o
:
2
N
H
3
:
1
B
2
H
6
Inorganic benzene is prepared by the reaction:
3
B
2
H
6
+
6
N
H
3
→
3
[
B
H
2
(
N
H
3
)
2
]
+
[
B
H
4
]
−
H
e
a
t
−
−−
→
2
B
3
N
3
H
6
+
12
H
2
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0
Similar questions
Q.
A chemist wants to prepare diborane by the following reaction:
6
L
i
H
+
8
B
F
3
⟶
6
L
i
B
F
4
+
B
2
H
6
He starts with
2.0
moles each of
L
i
H
and
B
F
3
. How many moles of
B
2
H
6
can be prepared?
Q.
Which of the following gives
B
2
H
6
on reaction with
N
a
B
H
4
.
Q.
B
C
l
3
does not exist as dimer but
B
H
3
exist as dimer
(
B
2
H
6
)
because:
Q.
The number of 2-centre-2-electron and 3-centre-2-electron bods in
B
2
H
6
respectively,
Q.
How many of the following can dissolve in aqueous
H
C
l
as well as
N
a
O
H
solution to liberate
H
2
?
B
,
A
l
,
B
2
H
6
,
B
2
O
3
,
N
a
A
l
H
4
,
A
l
2
O
3
,
A
l
C
l
3
,
B
F
3
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