MCQ
The ratio of the mass percentages of $'C$ $\&$ $H'$ and $'C$ $\&$ $O'$ of a saturated acyclic organic compound$'X'$ are $4 : 1$ and $3 : 4$ respectively. Then, the moles of oxygen gas required for complete combustion of two moles of organic compound $'X$' is
- A$8$
- B$10$
- C$12$
- ✓$5$

