MCQ
The oxidation number of phosphorus vary from
- A$-1$ to $+3$
- B$-3$ to $+3$
- ✓$-3$ to $+5$
- D$-5$ to $+1$
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$Ag| AgCl | KCl(1\,M) || KBr(1\,M) | AgBr | Ag$
Select the correct option -
What is $A$
