\(CH_3OH\,>\) પ્રાથમિક આલ્કોહોલ \(>\) દ્રિતીયક આલ્કોહોલ \(>\) તૃતિયક આલ્કોહોલ
$\begin{array}{*{20}{c}}
{{C_2}{H_5}MgBr + {H_2}C - C{H_2}\xrightarrow{{{H_2}O}}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\backslash \,\,\,\,/} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}A$