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$\begin{array}{*{20}{c}}
  {Ph - C - C{H_3}} \\ 
  {||\,\,\,} \\ 
  {O\,\,\,\,} 
\end{array}$ $\xrightarrow[{(ii)\,\Delta }]{{(i)\,aq.\,{K_2}C{O_3}}}$ Product is

• A
  $\begin{array}{*{20}{c}}
    {Ph - CH - C{H_3}} \\ 
    {|\,\,\,\,\,\,\,\,\,\,} \\ 
    {\,\,\,\,\,\,OH\,\,\,\,\,\,\,\,\,\,\,} 
  \end{array}$
• ✓
  $\begin{array}{*{20}{c}}
  {Ph - C - CH = C - Ph}\\
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
  {\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}
  \end{array}$
• C
  $\begin{array}{*{20}{c}}
  {Ph - C - C{H_2} - C{H_2} - C - Ph}\\
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}\\
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}
  \end{array}$
• D
  $\begin{array}{*{20}{c}}
  {Ph - C - C{H_2} - CH - Ph}\\
  {\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,}\\
  {\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH\,\,\,}
  \end{array}$