p-Block elementsHard

Question

B3+ ion cannot exist in aqueous solution because of its :   

Options

A.strong reducing ability
B.strong oxidizing ability.
C.small size and large charge.
D.large size and small charge.

Solution

On account of higher charge density i.e. charge/size ratio it gets hydrolysed forming H3BO3.
  2B3+ + 6H2O → 2H3BO3 + 6H+

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