Grignard reagent RMgBr (P) reacts with water and forms a gas (Q). One gram of Q occupies 1.4 dm 3 at STP. (P) on reactio…

Grignard reagent RMgBr (P) reacts with water and forms a gas (Q). One gram of Q occupies 1.4 dm³ at STP. (P) on reaction with dry ice in dry ether followed by H₃O⁺ forms a compound (Z). 0.1 mole of (Z) will weigh g. (Nearest integer)