MCQ
The orbital angular momentum of an electron in $2s$-orbital is
- A$\frac{1}{2}\frac{h}{{2\pi }}$
- B$\frac{h}{{2\pi }}$
- C$\sqrt 2 \frac{h}{{2\pi }}$
- ✓Zero
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Reason : $PbCl_4$ is powerful oxidising agent.

