Which of the following ligands can form both | vedclass

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Question

(D) Ligands are classified based on their ability to cause splitting in the $d$-orbitals. $CO$ and $CN^-$ are strong field ligands that typically form

Vedclass · Accepted Answer

$NH_3$

Vedclass · Answer

(D) Ligands are classified based on their ability to cause splitting in the $d$-orbitals. $CO$ and $CN^-$ are strong field ligands that typically form low-spin complexes. $NH_3$ is a borderline ligand that can form both high-spin and low-spin complexes depending on the metal ion and its oxidation state. $NO_2^-$ is also a strong field ligand. Therefore,$NH_3$ is the correct answer.

Which of the following ligands can form both high-spin and low-spin complexes?

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