The oxidation state of oxygen in tetraoxosulphate (VI) acid is

Chemistry JAMB 2007

The oxidation state of oxygen in tetraoxosulphate (VI) acid is

  • -4
  • -2 checkmark
  • +4
  • -8

The correct answer is: B

Explanation

H2SO4
(O.N of hydrogen * 2 ) + O.N of sulphur + O.N of oxygen * 4 = 0
∴ 1 * 2 + 6 + 4x = 0
2 + 6 + 4x = 0
8 + 4x = 0
4x 0 - 8 = -8
4x = -8
x = -8/4 = -2
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