Identify the name of the following reaction: $C_6H_5CH_3$ $\xrightarrow[CS_2]{CrO_2Cl_2} A$ $\xrightarrow{H_3O^+} C_6H_5CHO$

  • A
    Gattermann Koch reaction
  • B
    Gattermann reaction
  • C
    Stephen reaction
  • D
    Etard reaction

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