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Q.
Arrange these compounds in order of increasing $ {{S}_{N}}1 $ reaction rate
CMC MedicalCMC Medical 2013
Solution:
$ S_{N}^{1} $ reaction is favoured for $ 3{}^\circ $ alkyl halide. For a given system BE of $ C-Cl>C-Br, $ I with phenyl group gives resonance stabilized carbocation. Thus, increasing order is $ IV
