MCQ
The oxidation state of $I$ in ${H_4}IO_6^ - $ is
- ✓$+7$
- B$+5$
- C$+1$
- D$-1$
✓
Answer
Correct option: A.
$+7$
(a) $\mathop {{H_4}IO_6^ - }\limits^ * $
$4 + x - 12 = - \,1$; $x = - 1 + 8$$ = + \,7$.
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