For the redox reaction :MnO4−+Fe2++H+⟶Mn2++Fe3++H2Othe correct stoichiometric co-efficients of MnO4− , Fe2+ and H+ are :
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a
2, 4, 6
b
1, 3, 14
c
1, 5, 8
d
1, 8, 5
answer is C.
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Detailed Solution
MnO4−+8H++5e−⟶Mn2++4H2OFe2+⟶Fe3++e−×5Adding MnO4−+5Fe2++8H+⟶Mn2++5Fe3++4H2O …(1)∴ Correct stoichiometric co-efficients of MnO4,− Fe2+ and H+ in the reaction (1) are, 1, 5, 8.