MCQ
Phosphorus has the oxidation state of $ +3$ in
- AOrthophosphoric acid
- ✓Phosphorus acid
- CMetaphosphoric acid
- DPyrophosphoric acid
✓
Answer
Correct option: B.
Phosphorus acid
b
(b) $\mathop {{H_3}P{O_3}\,}\limits^ * $
(b) $\mathop {{H_3}P{O_3}\,}\limits^ * $
$3 + x - 2 \times 3 = 0$; $x = 6 - 3 = + 3$.
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