Platinum
- bluish-white lustrous metal that is very malleable and ductile
Platinum group metals
They have similar physical and chemical properties and tent tot occur together in the same mineral deposits
- rhodium,
- ruthenium,
- palladium,
- palladium,
- platinum,
- osmmium,
- iridium
Uses of PGMs
- (pt) in the manufacture of jewelry because of its attractive appearance and anti-cancer properties
- used for thermocouples when alloyed with iridium and rhodium
- (Pt) is used on fuel cells( it is very unreactive)
- used to make spark plugs
- (pt) as a catalyst with rhodium, in catalytic converters of car exhausts
- Pt(ii) complexes are used to prepare anti-cancer drugs in chemotherapy eg cis-platin