NEET UG CHEMISTRY MCQ: REDOX REACTIONS

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{Co}({s})+{Cu}^{2+}({aq}) \longrightarrow {Co}^{2+}({aq})+{Cu}({s})

The above reaction is

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Correct option: C

Redox reaction

Option C (Redox reaction) is correct because the reaction involves both oxidation (Co to Co2+) and reduction (Cu2+ to Cu).

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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}^ + }