MCQ
Which one of the following has the highest oxidation number of iodine
  • A
    $K{I_3}$
  • B
    $KI$
  • C
    $I{F_5}$
  • $KI{O_4}$

Answer

Correct option: D.
$KI{O_4}$
(d) $\mathop {KI{O_4}}\limits^ * $

$1 + x - 2 \times 4 = 0$; $x = 8 - 1 = + 7$.

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