MCQ
Consider the reaction between $\mathrm{C}_2 \mathrm{H}_5 \mathrm{O}^{\ominus}$ and dimethyl sulphate. The leaving group in this reaction is:
  • $\mathrm{MeOSO}_2 \mathrm{O}^{\ominus}$
  • B
    $\mathrm{MeO}^{\ominus}$
  • C
    $\mathrm{Me}^{\ominus}$
  • D
    $\mathrm{MeOSO}_2^{\ominus}$

Answer

Correct option: A.
$\mathrm{MeOSO}_2 \mathrm{O}^{\ominus}$

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