MCQ
Which of the following are tautomers

  • B
    $HO-CH_2-CH=CH_2$ and $O=CH-CH_2-CH_3$
  • C

  • D
    $\begin{array}{*{20}{c}}
      {C{H_3} - C - C - C{H_3}} \\ 
      {||\,\,\,\,\,\,\,\,||\,} \\ 
      {O\,\,\,\,\,O\,} 
    \end{array}$ and $\begin{array}{*{20}{c}}
      {C{H_3} - C = C - C{H_3}} \\ 
      {\,|\,\,\,\,\,\,\,\,\,\,|\,} \\ 
      {HO\,\,\,\,\,\,OH\,} 
    \end{array}$

Answer

Correct option: A.

a

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