• # question_answer The correct order of the spin-only magnetic moment of metal ions in the following low spin complexes, ${{[V{{\left( CN \right)}_{6}}]}^{4\,-}},$ ${{[Fe{{\left( CN \right)}_{6}}]}^{4\,-}},$ ${{[Ru{{(N{{H}_{3}})}_{6}}]}^{3\,+}},$ and $[Cr{{\left( N{{H}_{3}} \right)}_{6}}^{2+}]$ is : A) ${{V}^{2+}}>C{{r}^{2+}}>R{{u}^{3+}}>F{{e}^{2+}}$ B) ${{V}^{2+}}>R{{u}^{3+}}>C{{r}^{2+}}>F{{e}^{2+}}$ C) $C{{r}^{2+}}>R{{u}^{3+}}>F{{e}^{2+}}>{{V}^{2+}}$ D) $C{{r}^{2+}}>{{V}^{2+}}>R{{u}^{3+}}>F{{e}^{2+}}$

Correct Answer: A

Solution :

Due to unpaired electron and pairings electrons due to strong ligands.

You need to login to perform this action.
You will be redirected in 3 sec