For $d-$ block elements the first ionization potential is of the order

  • [AIIMS 2017]
  • A

    $Zn > Fe > Cu > Cr$

  • B

    $Sc = Ti < V = Cr$

  • C

    $Zn < Cu < Ni < Co$

  • D

    $V > Cr > Mn > Fe$

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