One mole each of and is oxidised separately by in acidic medium

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

One mole each of

\mathrm{FeC_2O_4}

and

\mathrm{FeSO_4}

is oxidised separately by

M\ \mathrm{KMnO_4}

in acidic medium. The volume ratio of

\mathrm{KMnO_4}

used for

\mathrm{FeC_2O_4}

and

\mathrm{FeSO_4}

is: (1) 1 (2) 2 (3) 3 (4) 4