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Which of the following statements about ...

Which of the following statements about `H_(3)BO_(3)` is not correct ?

A

It is a strong tribasic acid

B

It is prepared by acidifying an aqueous solution of borax

C

It has a layer structure in which planar `BO_(3)^(3-)` units are joined by hydrogen bonds

D

It does not act as proton donor but acts as a Lewis acid by accepting hydroxyl ion

Text Solution

Verified by Experts

The correct Answer is:
A
Boric acid is a weak monobasic acid. It is not a protonic acid but acts as a Lewis acid by accepting electrons from a hydroxyl ion `B(OH)_(3) + 2HOH rarr [B(OH)_(4)]^(-) + H_(3)O^(+)`
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