NEET UG CHEMISTRY MCQ: REDOX REACTIONS

1 Easy

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Application +4 | -1

Carbon is in the lowest oxidation state in

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Correct option: A

C{H_4}

Option A (

CH_4

) is correct because carbon is bonded to hydrogen, which is less electronegative, giving carbon a -4 oxidation state, the lowest among the options.

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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}^ + }