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Manipal MET2018ChemistryHaloalkanes and Haloarenes

S _ N 1 reactions are favoured by

Options

  1. Anon-polar solvents
  2. Bbulky groups on the carbon atom attached to the halogen atom
  3. Csmall groups on carbon atom attached to the halogen atom
  4. DNone of the above

Correct answer

B. bulky groups on the carbon atom attached to the halogen atom

Step-by-step solution

Bulky groups on the carbon atom attached to the halogen atom will hinder attack by S _ N 2 mechanism due to steric hindrance and hence, would favour S _ N 1 mechanism.

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