Explain the "Oxidation'' in terms of gain or loss of oxygen with two examples.
Explain the "Oxidation'' in terms of gain or loss of oxygen with two examples.
Oxidation is the gain of oxygen.
For example :
$(i)$ $C{O_2}\, + \,\mathop {{H_2}\, \to \,CO\, + \,{H_2}O}\limits_{Addition\,of\,oxygen\, - \,oxidation} $
$(ii)$ $\mathop {2Cu\, + {O_2}\, \to \,2CuO}\limits_{Gain\,of\,oxygen\,- \,Oxidation} $
In equation $(i)$, $H_2$ is oxidized to $H_2O$ and in equation $(ii)$, $Cu$ is oxidised to $CuO$.
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$(a)$ Hydrogen gas combines with nitrogen to form ammonia.
$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.
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$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.
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$(d)$ Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
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