MCQ
Product $(A)$ $\&$ $(B)$ respectively in the above reaction are :-
  • A
    $\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-NH-C{{H}_{3}},  \\
    \end{matrix}$  $\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-NH-C{{H}_{3}}  \\
    \end{matrix}$
  • B
    $\begin{matrix}
       \,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       \,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       C{{H}_{3}}-C-NH-Ph,  \\
    \end{matrix}$ $\,\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3} - C - NH - Ph} 
    \end{array}$
  • $\,\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {Ph - C - NH - C{H_3}} 
    \end{array} ,$ $\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3} - C - NH - Ph} 
    \end{array}$
  • D
    $\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3} - C - NH - Ph} 
    \end{array},$$\,\begin{array}{*{20}{c}}
      {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {Ph - C - NH - C{H_3}} 
    \end{array}$

Answer

Correct option: C.
$\,\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {Ph - C - NH - C{H_3}} 
\end{array} ,$ $\begin{array}{*{20}{c}}
  {O\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - NH - Ph} 
\end{array}$
c
It's Beckmann rearrangement only antigroup will migrate

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