Identify the final product [D] obtained in the following sequence of reactions.
${CH}_{3} CHO \to_{H_{3} O^{+}}^{i) {LiAlH}_{4}} [A] \to_{∆}^{H_{2} {SO}_{4}} [B] \overset{HBr}{\to} [C] \to_{Na / Dry ether}^{C_{6} H_{5} Br} [D]$
NEET 2023 (All India)

Question

Identify the final product [D] obtained in the following sequence of reactions. CH 3 CHO → H 3 O + i ) LiAlH 4 A → ∆ H 2 SO 4 B → HBr C → Na / Dry ether C 6 H 5 Br D NEET 2023 (All India)

TestHub · Accepted Answer

LiAlH 4 is a strong reducing agent. It will reduce acetaldehyde to primary alcohol (Ethanol). Then ethanol on dehydration gives ethene. The formed alkene on bromination gives alkyl halide which undergo Wurtz-fittig reaction in the presence of sodium/dry ether. The complete reaction is given below:

Chemistry - ALCOHOL & ETHER Question with Solution | TestHub

Options:

Doubts & Discussion