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The oxidation state of oxygen on tetraoxosulphate iv acid is

The oxidation state of oxygen on tetraoxosulphate iv acid is
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  • A -4
  • B -2
  • C 4
  • D -8
Correct Answer: Option B
Explanation:
In SO4. The state of oxygen oxidation number is -2. Options A,C,D do not belong to the oxidation state in SO4

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