Question

please help me
tell me the answer​

Answer 1

Answer:

The right answer of the question is - Iron has Oxidation number of +3

Answer 2

$\huge\bold\red{B)200/94}$

Oxidation number of oxygen =−2

Let oxidation number of Fe is x so,

0.94(x)+(−2)=0

x= 2/0.94

x= 200/94