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Question: Answered & Verified by Expert
In which alkyl halide, $S N^2$ mechanism is favoured maximum
ChemistryHaloalkanes and HaloarenesJEE Main
Options:
  • A $\mathrm{CH}_3 \mathrm{Cl}$
  • B $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Cl}$
  • C $\left(\mathrm{CH}_3\right)_2 \mathrm{CHCl}$
  • D $\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{Cl}$
Solution:
1687 Upvotes Verified Answer
The correct answer is: $\mathrm{CH}_3 \mathrm{Cl}$
$S N^2$ Substitution nucleophilic bimolecular order of different alkyl halides. $1^{\circ}\gt2^{\circ}\gt3^{\circ}$
$S N^1$ Substitution nucleophilic unimolecular order of different alkyl halides, $3^{\circ}\gt2^{\circ}\gt1^{\circ}$.

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