The reagent$(s)$ used for the conversion of benzene diazonium hydrogensulphate to benzene is/are:

  • A
    $H_{2}O$
  • B
    $H_{3}PO_{2} + H_{2}O$
  • C
    $H_{2}SO_{4} + H_{2}O$
  • D
    $CuCl / HCl$

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