MCQ
Which of following shows tautomerism ?
  • A
    $\begin{array}{*{20}{c}}
    {H - C - H}\\
    {||}\\
    O
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
    {{{(C{H_3})}_3}C - C - H}\\
    {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\\
    {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
    \end{array}$
  • $\begin{array}{*{20}{c}}
    {C{H_3} - C - H}\\
    {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,}\\
    {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • D
    Both $(B)$ and $(C)$

Answer

Correct option: C.
$\begin{array}{*{20}{c}}
{C{H_3} - C - H}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,}
\end{array}$
c

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