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Question
Chemistry
An aqueous solution of boric acid is found to be weakly acidic in nature. This acidic character arises due to the following reasons
Q. An aqueous solution of boric acid is found to be weakly acidic in nature. This acidic character arises due to the following reasons
1799
185
The p-Block Elements
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A
It is a protic acid which donates protons in aqueous solution
15%
B
It is a Lewis acid which abstracts
O
H
−
from water and leaves
H
+
to make the solution acidic
55%
C
It gives metaboric acid when dissolved in water
20%
D
It is prepared by reaction of borax with sulphuric acid hence it behaves as an acid
10%
Solution:
It reacts with water to abstract
O
H
−
ions and releases
H
3
O
+
ions making it acidic.
H
3
B
O
3
+
H
2
O
→
H
3
O
+
+
H
2
B
O
3
−