Name the substance oxidised, reduced, oxidising agent and reducing agent in the following reaction :
`Zn(s) + FeSO_(4)(aq) to ZnSO_(4)(aq) + Fe(s)`

Options

A. `K_(2)Cr_(2)O_(7)` in presence of dil `H_(2)SO_(4)`
B. `K_(2)Cr_(2)O_(7)` in presence of dil `HCl`
C. `KMnO_(4)` in presence of dil `HCl`
D. `KMnO_(4)` in presence of dil `H_(2)SO_(4)`

Answer

C

Explanation

`MnO_(4)^(-)` can't be used to estimate `FeC_(2)O_(4)` presence of dilute HCI as it will also oxidation `Cl^(-)` to `Cl_(2)`.