Question

The oxidation state of S in S₂O₈^2- is ………….

(A) +2 

(B) + 4 

(C) +6 

(D) + 7

Answer 1

Correct option is: (C) + 6

The structure of \(S_2O_8{^{2-}}\)  is

There is a peroxide one linkage.

Thus, 

2x +2 )-1) + 6x (-2) = -2

= 2 x -2 -12 = -2

2x = 12

x = +6

Answer 2

Correct option is: (C) + 6