\(1-\) બ્યુટાઇન
\(\rightleftharpoons \begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\ {C{H_3}C{H_2} - C = C{H_3}} \end{array}\)
\(2-\) બ્યુટેનોન
અહીં $P$ શું છે?