d
 \((d)\) \(\begin{matrix}
   OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   Ph-CH-C{{H}_{3}}\xrightarrow[Oxidation]{NaOI}  \\
\end{matrix}\) \(\begin{array}{*{20}{c}}
  O \\ 
  {||} \\ 
  {Ph - C - C{H_3}} 
\end{array}\)\({\xrightarrow[{Haloform}]{{{I_2} + NaOH}}Ph - CO_2^\Theta  + CH{I_3} \downarrow }\)