In the preparation of chlorine from ${\rm{HCl}},{\rm{Mn}}{{\rm{O}}_2}$ acts as :

NEET UG CHEMISTRY MCQ: REDOX REACTIONS

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In the preparation of chlorine from

\mathrm{HCl},\mathrm{Mn}{\mathrm{O}_2}

acts as :

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Correct option: B

oxidising agent

Option B (oxidising agent) is correct because MnO2 accepts electrons from HCl, causing HCl to be oxidized and itself to be reduced.

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{I_2}

\mathrm{MnO}_4^ - + {\mathrm{C}_2}\mathrm{O}_4^{2 - } + {\mathrm{H}^ + } \to \mathrm{M}{\mathrm{n}^{2 + }} + \mathrm{C}{\mathrm{O}_2} + {\mathrm{H}_2}\mathrm{O}

\mathrm{MnO}_4^ -

{\mathrm{C}_2}\mathrm{O}_4^{2 - }

{\mathrm{H}^ + }