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Question

Question: Boric acid is an acid because its molecule....

Boric acid is an acid because its molecule.

A

Contains replaceable H+H^{+}ion

B

Gives up a proton

C

Accepts OH−OH^{-} from water releasing proton.

D

Combines with proton from water molecule.

Answer

Accepts OH−OH^{-} from water releasing proton.

Explanation

Solution

: Boric acid is a weak monobasic acid it is not a protonic acid bt acts as a Lewis acid by accepting electrons from a hydroxyl ion.

B(OH)3+2H2O→[B(OH)4]−+H3O+B(OH)_{3} + 2H_{2}O \rightarrow \lbrack B(OH)_{4}\rbrack^{-} + H_{3}O^{+}