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Standard XI
Chemistry
NCERT
Question
Explain what happens when boric acid is heated.
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Solution
Verified by Toppr
When boric acid is heated, boron trioxide is obtained.
H
3
B
O
3
H
e
a
t
−
−−
→
373
K
H
B
O
2
Metaboric acid
+
H
2
O
4
H
B
O
2
H
e
a
t
−
−−−
→
−
H
2
O
H
2
B
4
O
7
H
e
a
t
−
−−
→
2
B
2
O
3
Boron trioxide
+
H
2
O
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