A pure sample of with three replaceable ions requires of for complete reaction

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

Problem

A pure sample of

\text{KHC}_2\text{O}_4\cdot\text{H}_2\text{C}_2\text{O}_4\cdot2\text{H}_2\text{O}

with three replaceable

\text{H}^+

ions requires

4.62\,\text{mol}

\text{NaOH}

for complete reaction. The sample will require how much

\text{KMnO}_4

in acidic medium? (a)

4.62\,\text{mol}

(b)

2.31\,\text{mol}

(c)

0.924\,\text{mol}

(d)

1.232\,\text{mol}