Compound X is oxidised by acidified $\text{K}_2\text{Cr}_2\text{O}_7$ to give compound Y. The infrared spectrum for compound Y is shown. A table listing characteristic infrared absorption ranges is given. What is the identity of compound X?
- Apropan-1-ol
- Bpropan-2-ol
- Cpropanone
- Dpropanoic acid