# $H_2O_2$ reduces $K_3[Fe(CN)_6]$ in

$\begin{array}{1 1}(a)\;\text{Neutral medium}\\(b)\;\text{Acidic medium}\\(c)\;\text{Alkaline medium}\\(d)\;\text{Non-polar solution}\end{array}$

$H_2O_2$ reduces $K_3[Fe(CN)_6]$ in alkaline medium.
Hence (c) is the correct answer.