When the configuration is d7 in a transition metal, the paramagnetic susceptibility will be equal to:
Correct answer: A. 3.87 B.M
- A. 3.87 B.M
- B. 2.68 B.M
- C. 5.92 B.M
- D. 6.92 B.M
Explanation
A d7 electron configuration in an octahedral or tetrahedral field will typically have 3 unpaired electrons (t2g5e_g2 or e4t23). The spin-only magnetic moment is calculated as μ=√n(n+2), wherein is the number of unpaired electrons. For n=3, μ=√3(3+2)= √15=3.87 B.M.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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