$C{{H}_{3}}CH\,=\,\,C{{H}_{2}}\,+\,\,{{H}_{2}}O\,\,+\,\,[O]\,\,\underset{Acid}{\mathop{\xrightarrow{KMn{{O}_{4}}}}}\,$$\begin{array}{*{20}{c}}
  {C{H_3} - CH - C{H_2}} \\ 
  {\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,\,OH} 
\end{array}$ $\xrightarrow{{[O]}}{\mkern 1mu} {\mkern 1mu} X{\mkern 1mu} {\mkern 1mu}  + {\mkern 1mu} {\mkern 1mu} HCOOH$

$X$ શું છે ?

(figure) $\xrightarrow[{(2)\,Zn}]{{(1)\,{O_3}}}\mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,O\,\,\,\,\,\,\,O\,\,} \\ 
  {\,||\,\,\,\,\,\,\,\,\,||} \\ 
  {H - C - C - H} 
\end{array}}\limits_{Glyoxal}  + $ $\mathop {\begin{array}{*{20}{c}}
  {\,\,\,O\,\,\,\,\,O\,\,} \\ 
  {\,||\,\,\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C - C{H_3}} 
\end{array}}\limits_{2,3 - Bu\tan edione}  + \mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,O\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C - H} 
\end{array}}\limits_{Pyrualdehyde} $