1 mole of potassium permanganate and 1 mole of ferrous sulfide are reacted in presence of excess hydrochloric acid, how many moles of Ferric sulfate will produce?(a) 10/18(b) 5/18(c) 1/18(d) 1/36This question was addressed to me in final exam.This intriguing question originated from Stoichiometry Applications Terminology in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

1 mole of potassium permanganate and 1 mole of ferrous sulfide are rea

1.	1 mole of potassium permanganate and 1 mole of ferrous sulfide are reacted in presence of excess hydrochloric acid, how many moles of Ferric sulfate will produce?(a) 10/18(b) 5/18(c) 1/18(d) 1/36This question was addressed to me in final exam.This intriguing question originated from Stoichiometry Applications Terminology in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering
Answer» Correct CHOICE is (b) 5/18 The EXPLANATION is: The balanced chemical reaction is 18KMnO4 + 10FeS + 32H2SO4 -> 18MnSO4 + 5Fe2(SO4)3 + 9K2SO4 + 32H2O, => KMNO4 is limiting reagent, => moles of Fe2(SO4)3 = (5/18)*1 = 5/18.

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