Balance the following chemical reaction and identify the oxidizing agent.
${MnO}_{2} + HCl \to {MnCl}_{2} + H_{2} O + {Cl}_{2}$ .

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Solution

The balanced Chemical equation for the above reaction can be given as: ${MnO}_{2} (s) + 4 HCl (aq) \to {MnCl}_{2} (aq) + 2 H_{2} O (l) + {Cl}_{2} (g) (Manganese dioxide) (Hydrochloric acid) (Manganese chloride) (Water) (Chlorine gas)$ .
In this reaction, ${MnO}_{2}$ is the Oxidizing agent because ${MnO}_{2}$ is reduced to ${MnCl}_{2}$ and therefore it acts as Oxidizing agent.

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