Balance the following equations by oxidation no. method. `MnO_4^(-) + Fe^(2+) rarr Mn^(2+) + Fe^(3+)` (Acidic medium) .

Balance the following equations by oxidation no. method. S + HNO_3 rarr H_2SO_4 + NO_2 + H_2O .

Complete the following reaction equation : MnO_4^(-) + Fe^(2+) + H^(+) rarr

Balance the following equation : Fe + O2 → Fe2O3

Balance the following equation by oxidation number method. Fe^(+2) + Cr_(2)O_(7)^(-2) + H^(+) rarr Fe^(+3) + Cr^(+3) + H_(2)O .

Balance the following equations: Fe_2O_3+C rarr Fe+CO

Balance the equations Fe + O2→ Fe2O3

Balance the following equation : Al + Fe2O3 → Al2O3 + Fe

Complete the following chemical equation : MnO_4^(-)+ H^(+) + SO_3^(2-) rarr

Complete the following reaction equation : MnO_4^(-) + I^(-) + H_2O rarr

Complete the following chemical equation : MnO_4^(-)+ C_2O_4^(2-)+ H^(+) rarr