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Q.
Which of the following statements about $H_3BO_3$ is not correct?
AIPMTAIPMT 1994The p-Block Elements
Solution:
Boric acid $(H_3BO_3)$ is a weak monobasic acid with $K_a = 1.0 \times 10^{-9}$. It may be noted that boric acid does not act as a protonic acid (i.e. proton donor) but behaves as a Lewis acid by accepting a pair of
electrons from $OH^-$ ion. $B(OH)_33 + 2H - O - H \longrightarrow [B(0H)_4]^- + H_3O^+$