The oxidation number of S in Na(2)S(4)O(...

The oxidation number of `S` in `Na_(2)S_(4)O_(6)` is

A

1.5

B

2.5

C

3

D

2

Verified by Experts

The correct Answer is:

B

`Na_(2)S_(4)O_(6), 2(+1) + 4x + 6 (-2) = 0`
`4x + 2 -12 = 0`
`4x = 10`
`x = 2.5`

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