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NEETChemistryHaloalkanes and Haloarenes

Among primary, secondary, and tertiary halides, which is the least reactive in S N 2 reactions?

Options

  1. APrimary halide
  2. BSecondary halide
  3. CTertiary halide
  4. DThey all have the same reactivity.

Correct answer

C. Tertiary halide

Step-by-step solution

Tertiary halides are the least reactive in S N 2 reactions because they have bulky groups that hinder the approaching nucleophiles.

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