MCQ
Oxidation number of $P$ in $Mg_2P_2O_7$ is
- A$+3$
- B$+2$
- ✓$+5$
- D$-3$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ ${SO}_{3}$ $(B)$ ${NO}_{3}^{-}$ $(C)$ ${PCl}_{3}$ $(D)$ ${CO}_{3}^{2-}$

