Strong field ligands contain C, N, and P as donor atoms. e.g. CN– , NCS– , CO, NH3, EDTA, en (ethylenediammine). ii. Weak field ligands: Those ligands which cause lower splitting of d orbitals i.e., ∆° parameter is smaller compared to the energy required for the pairing of electrons are called weak field ligands.
Explanation:
Ligands that produce a large splitting are called strong field ligands, and those that produce a small splitting are called weak field ligands.
Thus CN-, NC-, CO, HN3, EDTA, en (ethylenediammine) are considered to be strong ligands. They cause larger splitting of d orbitals and pairing of electrons is favoured. These ligands tend to form low spin complexes. Weak field ligands are those in which donor atoms are halogens, oxygen or sulphur.
Strong field ligands contain C, N, and P as donor atoms. e.g. CN– , NCS– , CO, NH3, EDTA, en (ethylenediammine).
Weak field ligands: Those ligands which cause lower splitting of d orbitals i.e., ∆° parameter is smaller compared to the energy required for the pairing of electrons are called weak field ligands.
CN-, NC-, CO, HN3, EDTA, en (ethylenediammine) are considered to be strong ligands.
They cause larger splitting of d orbitals and pairing of electrons is favoured.
These ligands tend to form low spin complexes.
Weak field ligands are those in which donor atoms are halogens, oxygen or sulphur.
Answers & Comments
Answer:
Strong field ligands contain C, N, and P as donor atoms. e.g. CN– , NCS– , CO, NH3, EDTA, en (ethylenediammine). ii. Weak field ligands: Those ligands which cause lower splitting of d orbitals i.e., ∆° parameter is smaller compared to the energy required for the pairing of electrons are called weak field ligands.
Explanation:
Ligands that produce a large splitting are called strong field ligands, and those that produce a small splitting are called weak field ligands.
Thus CN-, NC-, CO, HN3, EDTA, en (ethylenediammine) are considered to be strong ligands. They cause larger splitting of d orbitals and pairing of electrons is favoured. These ligands tend to form low spin complexes. Weak field ligands are those in which donor atoms are halogens, oxygen or sulphur.
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