$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - CH - C{H_2} - O - C{H_2} - C{H_3}}
\end{array}\,+ HI \, \xrightarrow{{Heated}}$
નીચેના સંયોજનોમાંથી કઇ રચના કરવામાં આવશે? ?

${C_2}{H_5}O\,{C_2}{H_5}\, + \,4[H]\,\xrightarrow{{HI}}\,2X\, + \,{H_2}O$
આ પ્રક્રિયામાં $X$ શું છે ?