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In which of the following reaction cyanide will be obtained as a major product ?
  • A$\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-C{{H}_{3}}\xrightarrow[(ii)\,{{H}_{3}}{{O}^{+}}]{(i)\,LiAl{{H}_{4}}}  \\
    \end{matrix}$
  • B$\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-N{{H}_{2}}\xrightarrow[B{{r}^{2}}]{NaOH}  \\
    \end{matrix}$
  • C$\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-N{{H}_{2}}\xrightarrow{{{P}_{4}}{{O}_{10}}}  \\
    \end{matrix}$
  • D$\begin{matrix}
       O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Ph-C-O-H\xrightarrow{SOC{{l}_{2}}}\xrightarrow{N{{H}_{3}}}  \\
    \end{matrix}$
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