Question

The oxidation number of $Fe$ in $F{e}_3{O}_4$ is

• A. +8/3
• B. +3/8
• C. -8/3
• D. -3/8

Answer 1

Answer: (A)

Let the oxidation state of $Fe$ is ' $x$ '
$F{e}_3{O}_4=0$
$3x+4(-2)=0$
$3x-8=0$
$x=\frac{8}{3}$