Question

The oxidation number of sulphur in Na₂S₄O₆ is:-

Options

• `2/3`

• `3/2`

• `3/5`

• `5/2`

Answer 1

`5/2`

Explanation:

`+1 xx -2`

Na₂S₄O₆

`2(+1) + xx + 6(-2)` = 0

`x = 10/4 = 5/2`