A mixture of and weighing 0.24 g on being treated with KI in acid solution liberates…

CHEMISTRY · Subjective · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

A mixture of

\text{KMnO}_4

and

\text{K}_2\text{Cr}_2\text{O}_7

weighing 0.24 g on being treated with KI in acid solution liberates just sufficient

\text{I}_2

to react with 60 mL of 0.1N hypo. Find out % of Cr and Mn in mixture.