H3BO3 is:

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Question

H3BO3 is:

Solution

Correct option is

Monobasic acid and weak lewis acid

 

Central boron atom in H3BO3 is electron deficient, therefore it accepts a pair of electron, hence it is weak Lewis acid. There is no d-orbital of suitable energy in boron atom. So, it can accommodate only one additional electron pair in its outermost shell. Thus, H3BO3 is a monobasic weak Lewis acid.   

  

Base     acid 

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