25 g of a sample of was dissolved in water containing dil

CHEMISTRY · Subjective · CBSE · Chemistry · Redox Reactions · Redox Reactions

Problem

25 g of a sample of

\text{FeSO}_4

was dissolved in water containing dil.

\text{H}_2\text{SO}_4

and the volume made upto 1 litre. 25 mL of this solution required 20 mL of

N/10 \text{ KMnO}_4

for complete oxidation. Calculate % of

\text{FeSO}_4 \cdot 7\text{H}_2\text{O}

in given sample.