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What is the SN2 reactivity order of alkyl halides?
A3° > 2° > 1°
B2° > 1° > 3°
C1° > 2° > 3°
D1° > 3° > 2°
Answer & Solution
Correct answer: C. 1° > 2° > 3°
Bulky groups hinder the attacking nucleophile, so primary halides react fastest by SN2.
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