The atomic numbers of vanadium chromium manganese and iron are respectively 23, 24, 25 and 26. Which one of these may be expected to have the highest second ionisation enthalpy?
As we learnt in
Ionization Enthalpies -
Due to increase in nuclear charge, there is in an increase in ionization Enthalpies from left to right with small variation.
Order of second ionisation enthalpy is Cr>Fe>Mn>V
This option is incorrect.
This option is correct.
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