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