\(\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,\,\,\,\,\,C{H_3}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}} \\
{C{H_3} - C - C{H_2}C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,}
\end{array}\) \({\xrightarrow{{{H^ + }}}}\) \(\begin{array}{*{20}{c}}
{C{H_{3\,\,\,\,\,\,}}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - \mathop C\limits_ \oplus {\mkern 1mu} - C{H_2}C{H_3}}
\end{array}\) \(3^o\) carbocation
Stability order of carbocation \(3^o > 2^o\)
$[Figure]$ $\xrightarrow[{CHC{l_3}}]{{\mathop {\left( {Pyridinium\,chlorochromate} \right)}\limits^{PCC} }}$
${C_2}{H_5}OH\,\xrightarrow{{PB{r_2}}}X\,\xrightarrow{{KOH}}\,Y\,\xrightarrow[{(ii)\,{H_2}{O^ + }}]{{(i)\,{H_2}S{O_4}}}Z$