Alcohol Phenols And Ethers

An organic compound '\(\mathrm{A}\)' on reaction with \(\mathrm{PCl}_3\) gives an alkyl chloride having formula \(\mathrm{C}_3 \mathrm{H}_7 \mathrm{Cl}\). '\(\mathrm{A}\)' on oxidation with \(\mathrm{PCC}\) forms an aldehyde having formula \(\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}\). Identify '\(\mathrm{A}\)'.