a
\(C{H_2} = CH - C{H_3} + \,{H_2}O\,\xrightarrow{{{H^ + }}}\,C{H_3} - CHOH - C{H_3}\)

\(2-\) પ્રોપેનોલ

\(\begin{array}{*{20}{c}}
  {\,\,\,\,\,O} \\ 
  {\,\,\,\,\,||} \\ 
  {C{H_3} - C - H} 
\end{array}\,\xrightarrow{{C{H_3}MgI}}\,C{H_3} - CH < \begin{array}{*{20}{c}}
  {OMgI} \\ 
  {C{H_3}} 
\end{array}\, \to \,\)

\(2-\) પ્રોપેનોલ

\(\begin{array}{*{20}{c}}
  {OH} \\ 
  |\,\,\,\,\, \\ 
  {C{H_3} - CH - C{H_3}} 
\end{array}\, + \,Mg(OH)I\)