Question

The oxidation state of $S$ in $H_2{S}_2{O}_8$ is

• A. 2
• B. 4
• C. 6
• D. 7

Answer 1

Answer: (C)

The chemical structure of

Let the oxidation number of is ${}^{\prime }{x}^{\prime }$

$2+2x-12-2=0$
$2x=12$
$x=+6$