Which one among the following undergoes dehydrohalogenation most readily?

Which one among the following undergoes dehydrohalogenation most readily?
  1. $\left(\mathrm{H}_3 \mathrm{C}\right)_2 \mathrm{CH}-\mathrm{Cl}$
  2. $\left(\mathrm{H}_3 \mathrm{C}\right)_2 \mathrm{CH}-\mathrm{I}$
  3. $\left(\mathrm{H}_3 \mathrm{C}\right)_2 \mathrm{CH}-\mathrm{Br}$
  4. $\left(\mathrm{H}_3 \mathrm{C}\right)_3 \mathrm{C}-\mathrm{I}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (26 Apr Shift 2)

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