Potassium iodide act as reducing agent when treated with

Potassium iodide acts as a reducing agent when treated with (A) an acidified \(K_{2}Cr_{2}O_{7}\) solution (B) an acidified \(KMnO_{4}\) solution (C) a \(CuSO_{4}\) solution (D) a lead acetate solution

Which acts as a reducing agent ?

H_(2)O_(2) act as reducing agent when it reacts with

Gallium acts as reducing agent because

Which can act as a reducing agent ?

Which can act as a reducing agent ?

Which can act as a reducing agent ?