Explain the "Oxidation'' in terms of gain or loss of oxygen with two examples.

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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 $CuO$.

Similar Questions

Write the balanced chemical equation for the following and identify the type of reaction in each case.

$(a)$ Potassium bromide $(aq)$ $+$ Barium iodide$(aq)$ $\rightarrow$ Potassium iodide$(aq)$ $+$ Barium bromide$(s)$

$(b)$ Zinc carbonate$(s)$ $\rightarrow$ Zinc oxide$(s)$ $+$ Carbon dioxide$(g)$

$(c)$ Hydrogen$(g)$ $+$ Chlorine$(g)$ $\rightarrow$ Hydrogen chloride$(g)$

$(d)$ Magnestum $(s)$ $+$ Hydrochloric acid$(aq)$ $\rightarrow$ Magnesium chloride$(aq)$ $+$ Hydrogen $(g)$

Write the balanced equation for the following chemical reactions.

$(i)$ Hydrogen $+$ Chlorine $\to $ Hydrogen chloride

$(ii)$ Barium chloride $+$ Aluminium sulphate $\to $ Barium sulphate $+$ Aluminium chloride

$(iii)$ Sodium $+$ Water $\to $  Sodium hydroxide $+$ Hydrogen

Translate the following statements into chemical equations and then balance them.

$(a)$ Hydrogen gas combines with nitrogen to form ammonia.

$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.

$(c)$ Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.

$(d)$ Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

Write the balanced chemical equations for the following reactions.

$(a)$ Calcium hydroxide $+$ Carbon dioxide $\rightarrow$ Calcium carbonate $+$ Water

$(b)$ Zinc $+$ Silver nitrate $\rightarrow$ zinc nitrate $+$ Silver

$(c)$ Aluminium $+$ Copper chloride $\rightarrow$ Aluminium chloride $+$ Copper

$(d)$ Barium chloride$+$ Potassium sulphate $\rightarrow$ Barium sulphate $+$ Potassium chloride

Explain the "Reduction'' in terms of gain or loss of oxygen with two examples.