Question
Which has maximum enol contents ?

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Ethylamine can be prepared by the action of bromine and caustic potash on
In the given reaction 

$\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C{H_2} - C - C{H_2}COO{C_2}{H_5}} 
\end{array}\xrightarrow{{[X]\,}}(A)$$ \mathop {\xrightarrow{{(i)\,LiAl{H_4}\,}}}\limits_{(ii)\,{H_2}O/{H^ \oplus }} \begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C{H_2} - C - C{H_2} - C{H_2}OH} 
\end{array} + \,{C_2}{H_5}OH$

$[X]$ will be :

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