d
\(HCOOCH_3\) \(+\) \(CH_3MgI\) \(\to \) \(\begin{matrix}
   OMgI  \\
   |\,\,\,\,\, \,\,\,\,  \\
   H-C-OC{{H}_{3}}  \\
   |\,\,\,\,\,\,\,\,\,\,   \\
   C{{H}_{3}}\,\,\,\,\,\,   \\
\end{matrix}\) \( \xrightarrow {H_2O/H^+}\) \(Mg(OH)I \) \(+\) \(\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}\,\,\,\, \,\,\,\,  \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\,\,\,\, \,\,\,\,  \\ 
  {H - C} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\,\,\,\,  \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}\)  \( \xrightarrow {CH_3,MgI}\) \(\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,OMgI}\,\,\,\,  \\ 
  {\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {H - C - C{H_3}} \\ 
  {\,\,\,|\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,C{H_3}\,\,\,\,} 
\end{array}\) \( \xrightarrow {H_2O/H^+}\) \(\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {HC - C{H_3}} \\ 
  {\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\)\(+\) \(Mg(OH)I\) (આઇસો પ્રોપાઇલ આલ્કોહોલ (\(2^o\) આલ્કોહોલ))