1.

What happens when an alkaline solution of potassium ferricyanide is reacted with H_(2)O_(2)?

Answer»

Potassium ferricyanide is oxidised to potassium FERROCYANIDE becomes colourless and `H_(2)O_(2)` is oxidised.
Potassium ferricyanide becomes colourless and `H_(2)O_(2)` is oxidised to `O_(2)`.
Potassium ferricyanide is reduced to FERRIC HYDROXIDE and `H_(2)O_(2)` is oxidised to `H_(2)O`.
Potassium ferricyanide is reduced to potassium ferrocyanide and `H_(2)O_(2)` is oxidised to `O_(2)`.

Solution :`{:(2K_(3)[FE(CN)_(6)]+2KOH to 2K_(4)[Fe(CN)_(6)]+H_(2)O+[O]),(""H_(2)O_(2)+[O]to H_(2)O+O_(2)),(ulbar(2K_(3)[Fe(CN)_(6)]+2KOH+H_(2)O_(2)to 2K_(4)[Fe(CN)_(6)]+2H_(2)O+O_(2))):}`


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