MCQ
Which one among the following carbocations has the longest half-life ?

  • B

  • C

  • D
    $\begin{array}{*{20}{c}}
      {C{H_3} - \mathop C\limits^ +   - C{H_3}} \\ 
      | \\ 
      {C{H_3}} 
    \end{array}$

Answer

Correct option: A.

a
most stable $C^{\oplus}$ due to $' \sigma'$ resonance

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free