In which of the following reactions will cyanide be obtained as the major product?

  • A
    $Ph-CO-CH_3 \xrightarrow[H_3O^+]{LiAlH_4}$
  • B
    $Ph-CONH_2 \xrightarrow{Br_2/NaOH}$
  • C
    $Ph-CONH_2 \xrightarrow{P_4O_{10}, \Delta}$
  • D
    $Ph-COOH$ $\xrightarrow{SOCl_2}$ $\xrightarrow{NH_3}$

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