MCQ
Which of the following do not show hyperconjugation?
  • A

  • B

  • $\begin{array}{*{20}{c}}
    {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {C{H_3} - C - CH = C{H_2}}\\
    {\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • D

Answer

Correct option: C.
$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,}\\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3} - C - CH = C{H_2}}\\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
c

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