d
\(\begin{array}{*{20}{c}}
  {C{H_3} - CH - C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\) \((X) \) (આઇસોપ્રોપાઇલ આલ્કોહોલ) \( \xrightarrow {K_2Cr_2O_7}\) \(\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\) \((Y)\) (એસિટોન)

 એસિટોનની આયોડીન અને સોડીયમ કાર્બોનેટ સાથે આયોડોફોર્મ કસોટી પોઝીટીવ હોય છે.