NEET UG CHEMISTRY MCQ: REDOX REACTIONS

1 Hard

1 of 1

Application +4 | -1

The oxidation number of arsenic in arsenate is :

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Correct option: A

+ 5

Option A (

+ 5

) is correct because the oxidation number of arsenic in arsenate (

\mathrm{AsO}_4^{3 - }

) is +5.

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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}^ + }