When oxalic acid, $\mathrm{H}{}_2\mathrm{C}{}_2\mathrm{O}{}_4$, is oxidised completely to $\mathrm{CO}{}_2$ by acidified permanganate, its n-factor is:

More questions on n-factor for oxidants and reductants, normality

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• In strongly acidic medium KMnO4 (molar mass 158 g mol^-1) is reduced to Mn^2+. Its equivalent mass is: NEET level
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