Which of the following reaction(s) can be used for the preparation of alkyl halides? I. C H 3 C H 2 O H + H…

Which of the following reaction(s) can be used for the preparation of alkyl halides?


I. CH3CH2OH+HClAnhyd. ZnCl2


II. CH3CH2OH+HCl


III. CH33COH+HCl


IV. CH32CHOH+HClAnhyd. ZnCl2

  1. I  III and IV only
  2. I and II only
  3. IV only
  4. III and IV only

Solution

I and IV can be used due to presence of anhydrous  ZnCl2
(III)  which gives alkyl halide due to formation of more stable carbocation.

Asked in: NEET 2015 (Phase 2)

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