Which is the strongest field ligand 1 point?

Hence, the correct answer is option d. As $CO$ causes more amount of crystal field splitting because it has more crystal field energy, thus is a strong field ligand.

Which one is a strong field ligand?

Since it is a pseudo halide ion, the cyanide ion is a strong field ligand. Pseudo halide ions are more powerful coordinating ligands, with the ability to form bonds (from the pseudohalide to the metal) and bonds (from the metal to the pseudohalide).

What is meant by strong field ligands?

A strong ligand or a strong field ligand is a ligand that can result in a higher crystal field splitting. This means, the binding of a strong field ligand causes a higher difference between the higher and lower energy level orbitals. Examples include CN– (cyanide ligands), NO2– (nitro ligand) and CO (carbonyl ligands).

Which is strong field ligand CO or CN?

The lower HOMO energy means that CO is a poorer σ donor orbital towards the metal than CN−. Likewise the lower LUMO makes it a better π acceptor. These two factors are conflicting: stronger π acceptors are stronger-field ligands, but poorer σ donors are weaker-field ligands.

Is NCS a strong field ligand?

Dear Student, NCS- is a strong field ligand while SCN- is a weak field ligand. A spectrochemical series is the arrangement of common ligands in the increasing order of their crystal-field splitting energy (CFSE) values.

Is Co a strong ligand?

CO is a ligand that has vacant pi orbitals that creates a large extent of splitting in the d orbitals of the metal atom, this makes them a strong ligand. So, CO has $\pi $- bonds that makes it a strong ligand due to more splitting.

What does strong field mean?

Definition of strong field ligand Ligand that exerts a strong crystal or ligand electrical field and generally forms low spin complexes with metal ions when possible.

Why Co is a stronger field ligand than CL?

Answer: CO is a stronger ligand than Cl ion because CO has double bond in between and has strong posively charged and negatively charged ends whereas Cl ion has one negative charge and positive inductive effect.

What is NCS ligand?

NCS- is a strong field ligand while SCN- is a weak field ligand. A spectrochemical series is the arrangement of common ligands in the increasing order of their crystal-field splitting energy (CFSE) values. Also, strong field ligands cause higher splitting in the d orbitals than weak field ligands.