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 energy?
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a
Vanadium (Z = 23)
b
Chromium (Z = 24)
c
Manganese (Z = 25)
d
Iron (Z = 26)
answer is C.
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Detailed Solution
Removal of third electron from Mn(4s2 3d5 )takes place from half-filled orbitals of Mn2+3d5 ions. Also major energy shell changes.
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 energy?