Which among the following carbocation is most reactive?

Which among the following carbocation is most reactive?
  1. $\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}$
  2. $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}^{+}$
  3. $\mathrm{CH}_{3}^{+}$
  4. $\mathrm{CH}_{3}-\mathrm{CH}_{2}^{+}$

Solution

CH3+ is the least stable carbocation due to no +I or +H or +R effect, that is why most reactive.

Asked in: MHT CET 2020 (16 Oct Shift 2)

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