Some reactions involving substance Q are shown. Ethanol is produced when steam is reacted under pressure with a catalyst. $\text{Q} + \text{Br}_2 \rightarrow$ 1,2-dibromoethane is made. $\text{Q} + \text{H}_2 \rightarrow \text{P}$ (with a catalyst) What substance is P?
- Aethane
- Bethanoic acid
- Cethene
- Dpoly(ethene)