Q.
Acetone $+HI \xrightarrow [150 ^{\circ} C]{Red P}P$
Ethyl chloride $+2Li\xrightarrow {\text{Dry ether}} X\xrightarrow {CuI}Y+$ Propyl chloride $ \rightarrow Z$
Product $'P'$ and '$Z$' are homologues of each other and they differ in molecular mass by --------- $u.$
NTA AbhyasNTA Abhyas 2022
Solution: