NEET Chemistry Redox Reactions Questions Solved

25.0 g of FeSO4.7H2O was dissolved in water containing dilute H2SO4, and the volume was made up to 1.0 L. 25.0 mL of this solution required 20 mL of an N/10 KMnO4 solution for complete oxidation. The percentage of FeSO4. 7H2O in the acid solution is

(1) 78%

(2) 98%

(3) 89%

(4) 79%

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