MCQ
Select the compound in which chlorine is assigned the oxidation number $ +5$
- A$HCl{O_4}$
- B$HCl{O_2}$
- ✓$HCl{O_3}$
- D$HCl$
$1 + x - 2 \times 3 = 0$; $x = 6 - 1 = + 5$.
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