50 mL aqueous solution of FeSO4 required 12 mL of 0.02 M KMnO4 in acidic medium for complete oxidation. Calculate the molarity of ferrous sulphate solution. The reaction is
MnO4 – + 5Fe2+ + 8H+ → Mn2+ + 5Fe3+ + 4H2O
(a) 0.024 M
(b) 0.24 M
(c) 2.4 M
(d) 2.4 × 10–3M