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Statement I In water, orthoboric acid be...

Statement I In water, orthoboric acid behaves as a weak monobasic acid.
Statement II In water, orthoboric acid acts as a proton donor.

A

Statement 1 is true, statement 2 is true, statement 2 si a correct explanation for statement 9

B

Statement 1 is true, statement 2 is true, statement 2 is not a correct explanation for statement 9

C

Statement 1 is true, statement 2 is false

D

Statement 1 is false, statement 2 is true

Text Solution

Verified by Experts

The correct Answer is:
C
Orthoboric acid `H_(3)BO_(3)` is soluble in water and behaves as a weak monobasic acid. It does not donate protons rather it accepts `OH^(-)`. It is therefore a Lewis acid.
`H_(3)BO_(3) + 2 H_(2)O hArr H_(3)O^(+) + [B(OH)_(4)]^(-) p Ka =9.25`
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