Question

Average oxidation number of iodine in $K{I}_3$?

• A. $+1/3$
• B. $-1/3$
• C. $+3$
• D. $-1$

Answer 1

The correct option is B $-1/3$

Criven : $-K{I}_3$

Here I ${}_3$ is present as $I_3$

So, the negative charge is on theree Iodine

atoms . Average onidation number of Iodine

$=-\frac{1}{3}$

B) is covrect answer.