Which one of the following statement(s) about H3BO3 is/are correct?

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It is a strong tribasic acid.

It is prepared by acidifying an aqueous solution of borax.

It has a layer structure in which planar BO3 units are joined by hydrogen bonds.

It does not act as proton donor as it acts as a Lewis acid by accepting lone pair of hydroxyl ions

answer is B.

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Detailed Solution

It is mono basic in nature. That proton also comes from water. It accepts hydroxy group and releases hydrogen ion.

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