Why is boric acid a monobasic acid explain
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Why is boric acid a monobasic acid explain

[From: ] [author: ] [Date: 11-05-19] [Hit: ]
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The central Boron in Orthoboric Acid is electron deficient ie B(OH)3
Now once its added to water Boron accepts an electron pair from water as a lewis acid and water behaves as the corresponding lewis base.
3(OH)B<-------OH2. So, now as oxygen on donation becomes positive it releases an H+ to form [B(OH)4]- ion. We must understand that the H+ ion is actually not released by boric acid but by water, this is why boric acid can not be directly titrated with strong bases like NaOH.

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B(OH)3)+ H2O ---> B(OH)4− + (H+)

releases only 1 hydronium (H+) ion so...

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because boric acid donates only one proton on reaction with a base.!
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