GKFix MCQ Question

What is the expected major product when allyl chloride (CH₂=CHCH₂Cl) reacts with KCN?

• A. 3-butenenitrile (CH₂=CHCH₂CN)
• B. 2-butenenitrile (CH₃CH=CHCN)
• C. Allyl isocyanide (CH₂=CHCH₂NC)
• D. Propenenitrile (CH₂=CHCN)