Question
Define oxidation and reduction in terms of oxidation number.
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$\text{MgO(s)}+\text{C(s)}\overrightarrow{\ \ \ \ \ \ }\ \text{Mg(s)}+\text{CO(g)}$
$\Delta_\text{r}\text{H}^\circ=91.18\text{kJ mol}^{-1}$ and $\Delta_\text{r}\text{S}^\circ=197.67\text{kJ mol}^{-1}$
CH
3NO2.Iron(III) sulphate.