$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 ?
$\xrightarrow[{(ii)\,C{H_3}C{H_2}Br}]{{(i)\,NaN{H_2}\,/\,liq.\,N{H_3}}}\,Y$
પ્રક્રિયામાં $X$ અને $Y$ ....... છે.