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# Which of the following compounds undergoes solvolysis in aquoes ethanol most rapidly?

$\begin {array} {1 1} (A)\;\text{Cyclo hexyl bromideabc} & \quad (B)\; \text{3 chloropentane} \\ (C)\;\text{3 iodo 3 methylpentane} & \quad (D)\;\text{methyliodide} \end {array}$

Toolbox:
• Solvolysis is a special type of nucleophilic substitution ($S_N1$) or elimination where the nucleophile is a solvent molecule.
which is more stable so the reaction proceeds rapidly.
3 iodo 3 methylpentane, as it has the best leaving group and provides the most stable carbocation for solvolysis.
Hence, (C) is the right answer.
edited Mar 29, 2014