Consider transition metal ions which have d1 to d10 electrons. Which of these can form high spin and low spin complexes in octahedral geometry.
Correct answer: B. d4, d5, d6, d7
- A. d3, d5, d6, d9
- B. d4, d5, d6, d7
- C. d2, d5, d7, d9
- D. d4, d6, d7, d10
Explanation
Metal ions with d4, d5, d6 and d7 configuration can form high spin and low spin complexes. For transition metal ions with configuration d1, d2, d3, d8, d9 or d10 all the octahedral complexes of a given metal ion have approximately the same magnetic moment and there is no high spin versus low spin complexes.
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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