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JEE Main Chemistry question

ChemistryOrganic Chemistry - Some Basic Principles and TechniquesJEE Main

List the following alkoxide nucleophiles — Me₃CO⁻ (1), MeO⁻ (2), MeCH₂O⁻ (3), Me₂CHO⁻ (4), cyclobutoxide (5) — in decreasing order of their SN2 reactivity.

Answer: (A)

Solution

SN2 reactivity of a nucleophile decreases with increasing steric bulk around the attacking oxygen. Methoxide (2, least

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Question ID VK-139432