p-Block elementsHard

Question

Peroxoborate in aqueous solution provides :

Options

A.B(OH)4- + H2O2
B.Na2B4O7 . 10H2O
C.HBO2
D.Na[B3O3 (OH)4]-

Solution

Peroxoborate in solution provides H2O2 according to following chemical reaction
        [B(OH)3(O2H)]- + H2O ⇋ [B(OH)4]- + H2O2

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