ઉપરોક્ત પ્રક્રિયામાં $Y$ શું છે ?
$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{F}_{3}}\,C\,OH+C{{H}_{3}}\,CH\,C{{H}_{3}} \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| \\
\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH \\
\end{matrix}\xrightarrow{{{H}_{2}}S{{O}_{4}}}\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{F}_{3}}\,C\,OCH\,C{{H}_{3}}+{{H}_{2}}O \\
|\,\,\,\,\,\,\,\,\,\,\,\, \,\,\,\, \\
C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$
$A$, (પરમાણુ સૂત્ર $\left.{C}_{6} {H}_{12} {O}_{2}\right)$ સાથે સીધી સાંકળ શૃંખલા $C_{4}$ કાર્બોક્સિલિક એસિડ આપે છે. $A$ શું છે:
$A \frac{{Li} {A} {H} {H}_{4}}{{H}_{3} {O}^{+}} \longrightarrow B \stackrel{\text { Oxidation }}{\longrightarrow} {C}_{4}-$ કાર્બોક્સિલિક એસિડ
$C{H_3}COON{H_4}\xrightarrow{\Delta }X\,\xrightarrow{{{P_2}{O_5}}}\,Y\,\xrightarrow{{{H_2}O/{H^ + }}}\,Z$
$(ii)$ $CH _{3} COOH$
$(iii) $ $C _{6} H _{5} COOH$
$(iv)$ $CH _{3} CH _{2} COOH$
$ PK _ {a} $ મૂલ્યનો યોગ્ય ક્રમ કયો છે ?