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

Chemistry
JAMB 2007

The oxidation state of oxygen in tetraoxosulphate (VI) acid is
  • A. -4
  • B. -2
  • C. +4
  • D. -8
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Correct Answer: Option 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

There is an explanation video available below.


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Explanation Video

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