The oxidation number of sulphur in Fe2(SO4)3 is

The oxidation number of sulphur in Fe2(SO4)3 is
  • A.
    +2.
  • B.
    +3
  • C.
    +4.
  • D.
    +6.
Correct Answer: Option D
Explanation

Fe2(SO4)3 = 0
(+3 x 2) 9 3x + (-2 x 4 x 3) = 0
+6 + 3x -24 = 0
+3x – 18 = 0
3 x = 18
x = 18/3 = +6

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