Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy

  • [AIPMT 2005]
  • A

    Vanadium $ (Z = 23)$

  • B

    Chromium $ (Z = 24)$

  • C

    Iron  $(Z = 26)$ 

  • D

    Manganese $(Z = 25)$

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  • [AIEEE 2006]