Explain the nature of boric acid $(H_3BO_3)$ as a Lewis acid in water. The structure of $H_3BO_3$ is given below:
$H-O-B(OH)_2$
$H-O-B(OH)_2$
(N/A) Boric acid $(H_3BO_3)$ acts as a weak monobasic Lewis acid in water.
It does not release $H^+$ ions directly. Instead,it accepts a lone pair of electrons from an $OH^-$ ion provided by the water molecule to complete its octet.
The reaction is as follows:
$B(OH)_3 + 2H_2O \rightarrow [B(OH)_4]^- + H_3O^+$
It does not release $H^+$ ions directly. Instead,it accepts a lone pair of electrons from an $OH^-$ ion provided by the water molecule to complete its octet.
The reaction is as follows:
$B(OH)_3 + 2H_2O \rightarrow [B(OH)_4]^- + H_3O^+$
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Similar Questions
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$ : Boric acid is a weak acid.
Reason $R$ : Boric acid is not able to release $H^{+}$ ion on its own. It receives $OH^{-}$ ion from water and releases $H^{+}$ ion.
In the light of the above statements,choose the most appropriate answer from the options given below.
Assertion $A$ : Boric acid is a weak acid.
Reason $R$ : Boric acid is not able to release $H^{+}$ ion on its own. It receives $OH^{-}$ ion from water and releases $H^{+}$ ion.
In the light of the above statements,choose the most appropriate answer from the options given below.
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