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NEETChemistryHaloalkanes and Haloarenes

What happens to the three carbon-hydrogen bonds of the substrate during the progress of an S N 2 reaction?

Options

  1. AThey remain unchanged.
  2. BThey break completely.
  3. CThey move away from the attacking nucleophile.
  4. DThey form new bonds with the leaving group.

Correct answer

C. They move away from the attacking nucleophile.

Step-by-step solution

As the reaction progresses, the three carbon-hydrogen bonds of the substrate start moving away from the attacking nucleophile.

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