MCQ
An ${e^ - }$ has magnetic quantum number as $ - 3$, what is its principal quantum number
- A$1$
- B$2$
- C$3$
- ✓$4$
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$KMnO_4 + H_2SO_4+H_2O_2 \to KHSO_4 + MnSO_4 + O_2 + H_2O$
