devarshi-dt-logo

Question:

In the reaction CH₃COOH → LiAlH₄ A → PCl₅ B → Alc.KOH C, the product C is:

Ethylene

Acetylene

Acetyl chloride

Acetaldehyde

Solution:

CH₃COOH + LiAlH₄ → CH₃CH₂OH
CH₃CH₂OH + PCl₅ → CH₃CH₂Cl
CH₃CH₂Cl + Alc.KOH → H₂C=CH₂ (ethylene)