Question

The oxidation state of the underlined element in the given compound is:
$\underset{–}{I}{F}_7$

• A. 5
• B. 7
• C. 6
• D. none of these

Answer 1

Answer: (B)

7

$I{F}_7$

Fluorine is the most electronegative element and it has $-1$ .

$\Rightarrow x-7\times 1=0$

$\Rightarrow x=7$ .