b
\(\begin{array}{*{20}{c}}
  {C{H_3}} \\ 
  {C{H_3}} 
\end{array} > CHOH \to \begin{array}{*{20}{c}}
  {C{H_3}} \\ 
  {C{H_3}} 
\end{array} > C = O\xrightarrow[{(ii)\,HOH}]{{(i)\,C{H_3}MgBr}}\) \(\begin{array}{*{20}{c}}
  {C{H_3}} \\ 
  {C{H_3}} 
\end{array} > C < \begin{array}{*{20}{c}}
  {C{H_3}} \\ 
  {OMgBr} 
\end{array}\)

આઇસો પ્રોપાઇલ આલ્કોહોલ                     એસિટોન

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

તૃતિયક બ્યુટાઇલ આલ્કોહોલ