MCQ
Oxidation number of oxygen in ${O_2}$ molecule is
- A$+1$
- ✓$0$
- C$+2$
- D$-2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


| $(n)$-$(l)$-$(m)$-$(s)$ | |
| $(i)$ | $(3)$-$(2)$-$(1)$- $(+1/2)$ |
| $(ii)$ | $(2)$-$(2)$-$(1)$- $(+1/2)$ |
| $(iii)$ | $(4)$-$(3)$-$(-2)$- $(-1/2)$ |
| $(iv)$ | $(1)$-$(0)$-$(-1)$- $(-1/2)$ |
| $(v)$ | $(3)$-$(2$-$(3)$- $(+1/2)$ |
Which of the following sets of quantum number is not possible ?