Question

Balance the reaction in acid and base medium using half reaction method.

1. Fe + NiO → Fe⁺² + Ni⁺²

Answer 1

$Fe\to Fe^{2+}$ Oxidation reaction

$Ni\to Ni^{2+}$ Reduction reaction

Combining the equations gives;

$2Fe^{2+}+2NiO\to Fe^{2+}+Ni^{2+}$