Chemistry 1B PASS W3

Crystal Field Theory accounts for...

• interactions in covalent bonds

• interactions between ligands lone pair of electrons

• contributions of the s and p orbitals

• energies of transition metal ion's d-electrons

CN is

• low spin

• strong field

• high spin

• weak field

H2O is

• high spin

• strong field

• weak field

• low spin

Cl ...

• low spin

• longer wavelengths

• high spin

• shorter wavelengths

CO ...

• longer wavelengths

• high spin

• shorter wavelengths

• low spin

Chelation Therapy is used to treat

• dementia

• Heavy metal poisoning

• Wilson's disease

• influenza

Chelating ligands ...

• do not coordinate with metal ions

• form complexes to remove unwanted metals

• remove tumours

• deposit metals into the system

Cisplatin is a / an

• metal ion

• chelate

• anti-tumour agent

• ligand

What is the target site for cisplatin

• brain

• DNA

• metal

• Pt