Which of the following undergoes reduction with hydrogen peroxide in alkaline medium?

Step-by-step solution

It reduces iodine to iodide ion in alkaline medium. array r I ₂( ~s )+ H ₂ O ₂(a q)+2 OH ⁻ 2 I ⁻(a q)+2 H ₂ O ( l )+ O ₂( ~g ) array