1.

The n-factor of FeS_2during its oxidation as Fes_(2) rarr Fe_(2)O_3+SO_2

Answer»

10
11
2
8

Solution :`Fe^(2+)OVERSET((1))RARROVERSET(3+)(Fe )+e^(-)`
`S_2^(2-)rarr2SO_(2)+10C^(-)`
TOTAL = 11


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