MCQ
Which of following is not correct ?
  • A
    $\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,} \\ 
      {C{H_3} - C - O{C_2}{H_5}} 
    \end{array}$ $\xrightarrow{{DIBAL}}$ $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,O\,} \\ 
      {\,\,\,\,\,\,||\,} \\ 
      {C{H_3} - C - H} 
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,\,O\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,||\,\,\,\,\,\,} \\ 
      {C{H_3} - C - C\ell } 
    \end{array}$ $\xrightarrow[{{\text{Boiling xylene}}}]{{Pd - BaS{O_4}}}$ $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,O\,} \\ 
      {\,\,\,\,\,\,||\,} \\ 
      {C{H_3} - C - H} 
    \end{array}$
  • C
    $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,\,O\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,||\,\,\,\,\,\,} \\ 
      {C{H_3} - C - N{H_2}} 
    \end{array}$ $\xrightarrow{{{\text{LiAl}}{{\text{H}}_4}}}$ $CH_3 -CH_2 -NH_2$
  • $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,\,O\,\,\,\,\,\,} \\ 
      {\,\,\,\,\,\,\,\,||\,\,\,\,\,\,} \\ 
      {C{H_3} - C - N{H_2}} 
    \end{array}$ $\xrightarrow{{PC{l_5}}}$ $\begin{array}{*{20}{c}}
      {\,\,\,\,\,\,O\,} \\ 
      {\,\,\,\,\,\,||\,} \\ 
      {C{H_3} - C - Cl} 
    \end{array}$

Answer

Correct option: D.
$\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,O\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,||\,\,\,\,\,\,} \\ 
  {C{H_3} - C - N{H_2}} 
\end{array}$ $\xrightarrow{{PC{l_5}}}$ $\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,O\,} \\ 
  {\,\,\,\,\,\,||\,} \\ 
  {C{H_3} - C - Cl} 
\end{array}$
d

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