Question
Oxidation number of $P$ in $K{H_2}P{O_2}$ is
✓
Answer
In $\mathop {K{H_2}P{O_2}}\limits^{\,\,\,\,\, * } $
$1 + 2 + x + ( - 2 \times 2) = 0$
$3 + x - 4 = 0$; $x = + 1$.
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