The atomic numbers of Vanadium (V), Chromium (cr), Manganese (Mn) and Iron (Fe), respectively, … and …. Which one of these may be expected to have the higher second ionization enthalpy?

Option A. Ionization enthalpy is the energy required to remove the electron from the outer most orbit.

Periodic Table and Periodicity

JEE Main 2003 · Annual, Paper 1 · Q1593

ChemistryHard127×since 2002Q1593

The atomic numbers of Vanadium (V), Chromium (cr), Manganese (Mn) and Iron (Fe), respectively,

23,24,25

and

26

. Which one of these may be expected to have the higher second ionization enthalpy?

JEE Main 2003 · Annual, Paper 1 · Q1593

ChemistryHard127×since 2002Q1593

The atomic numbers of Vanadium (V), Chromium (cr), Manganese (Mn) and Iron (Fe), respectively,

23,24,25

and

26

. Which one of these may be expected to have the higher second ionization enthalpy?