Atomic StructureHard
Question
Which of the following ions has the maximum number of unpaired d-electrons?
Options
A.Zn2+
B.Fe2+
C.Ni3+
D.Cu+
Solution
Zn2+ : [Ar] 3d10 (0 unpaired electrons).
Fe2+ : [Ar] 3d6 (4 unpaired electrons) maximum.
Ni3+ : [Ar] 3d7 (3 unpaired electrons).
Cu+ : [Ar] 3d10 (0 unpaired electrons).
Fe2+ : [Ar] 3d6 (4 unpaired electrons) maximum.
Ni3+ : [Ar] 3d7 (3 unpaired electrons).
Cu+ : [Ar] 3d10 (0 unpaired electrons).
Create a free account to view solution
View Solution FreeMore Atomic Structure Questions
The energy of electron in first energy level is - 21.79 × 10-12 erg per atom. The energy of electron in second ener...The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is (ao is the Bohr radius)a) $\frac{h^{2}}...Which of the following sets of quantum numbers is correct for an electron in 4f orbital?...In H-atom, if ′x′ is the radius of the first Bohr orbit, de Broglie wavelength of an electron in 3rd orbit i...In a sample of H-atoms, electrons de-excite from a level ′n′ to 1. The total number of lines belonging to Ba...