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Question
Is boric acid a protic acid? Explain.
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Solution
Boric acid is not a protic acid. It is a weak monobasic acid, behaving as a Lewis acid.
\[\ce{B(OH)_3 + 2HOH -> [B(OH)_4]- + H_3O^+}\]
It behaves as an acid by accepting a pair of electrons from –OH ion.
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