Chemistry

Problem

Ratio of mole of

\text{FeSO}_4

oxidised by equal volume of equimolar

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

and

\text{KMnO}_4

solution in acidic medium is: a. 6 : 5 b. 5 : 6 c. 5 : 3 d. 3 : 5