List of top Chemistry Questions on Grignard’s reagents and their uses asked in JEE Main

RMgI when treated with ice cold water liberated a gas which occupied 1.4 dm$^3$/g at STP. The gas produced is further reacted with iodine in presence of $HIO_3$ to give compound (X). Compound (X) in presence of Na and dry ether produced compound (Y). Molar mass of compound (Y) is ______ g mol$^{-1}$. (Nearest integer)}