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Question
Chemistry
The products formed when borax dissolves in water is/are
Q. The products formed when borax dissolves in water is/are
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AP EAMCET 2019
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A
N
a
O
H
,
H
3
B
O
3
B
N
a
2
[
B
4
O
5
(
O
H
)
4
]
C
N
a
H
,
B
2
O
3
D
B
2
H
6
,
N
a
O
H
Solution:
When borax
(
N
a
2
B
4
O
7
)
is dissolved in water, it hydrolyses to form sodium hydroxide (
N
a
O
H
) and boric acid
(
H
3
B
O
3
)
which can be written as
B
(
O
H
)
3
or
H
3
B
O
3
(Borax)
N
a
2
B
4
O
7
+
7
H
2
O
⟶
(Sodium hydroxide)
2
N
a
O
H
+
(Boric acid)
4
H
3
B
O
3