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The atomic numbers of vanadium ( V ) , Chromium ( Cr ) , manganese ( Mn ) and iron ( Fe ) are respectively 23 , 24,25 and 26 . Which one of these may be expected to have the highest second ionization enthalpy?

Options

  1. ACr
  2. BMn
  3. CFe
  4. DV

Correct answer

A. Cr

Step-by-step solution

Electronic configuration of Cr is So due to half filled orbital I.P. is high of Cr.

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