Several characteristics of compound X are given below. • $1.0\,\text{mol}$ X reacts with exactly $8.5\,\text{mol}$ oxygen when it is fully combusted. • X shows no reaction when warmed with acidified $\text{KMnO}_4$. What could X possibly be?
- A1 and 3
- B2 and 4
- C3 only
- D4 only