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In the following reaction B(OH)3 + H2O= [B(OH)4]- + H+ , B(OH)3 is a 1)Lewis acid 2) Lewis base 3)bronsted acid 4)bronsted base Please explain and thank you.

In the following reaction
B(OH)3 + H2O= [B(OH)4]-  + H+ ,
B(OH)3 is a
1)Lewis acid 2) Lewis base 3)bronsted acid 4)bronsted base
Please explain and thank you.

Grade:

1 Answers

Arun
25750 Points
5 years ago
The -OH group of the Ortho Boric acid is directly attached is to the Boron atom. So no acidic hydrogen atoms are there to produce H+ ions. However Boron atom in this molecule is eletron deficient and hence behaves as an acid according to Lewis Theory.

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