Q41 / 170 · Manipal (MET) 2017 · Chemistry

The rate of $S_N 2$ reaction is maximum when the solvent is

  • A
    $\mathrm{CH}_3 \mathrm{OH}$
  • B
    $\mathrm{H}_2 \mathrm{O}$
  • Correct answer
    C
    DMSO
  • D
    benzene

Solution

Polar aprotic solvents such as DMSO increase the rate of $\mathrm{S}_{\mathrm{N}} 2$ reactions.

Hence, the correct answer is option: 'C'.

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