MCQ
The oxidation number of phosphorus in $Ba{({H_2}P{O_2})_2}$ is
- A$-1$
- ✓$+1$
- C$+2$
- D$+3$
$2 + 4 + 2x - 8 = 0$;
$2x = 2$$x = \frac{2}{2} = + 1$.
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