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Byju's Answer
Standard XII
Chemistry
Borax
A compound ...
Question
A compound
A
of boron reacts with
N
M
e
3
to give an adduct
B
which on hydrolysis gives a compound
C
and a gas
D
. Compound
C
is an acid.
Compound
C
is :
A
diborane
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B
boric acid
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C
borate salt
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D
none of these
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Solution
The correct option is
B
boric acid
B
2
H
6
+
2
N
M
e
3
⟶
2
B
H
3
.
N
M
e
3
Diborane (A) Adduct (B)
B
H
3
.
N
M
e
3
+
3
H
2
O
⟶
H
3
B
O
3
+
N
M
e
3
+
3
H
2
Boric acid
↓
(C) (D) gas
Compound "C" is boric acid
−
H
3
B
O
3
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