Question

What are platinum metals?

Answer 1

1. They include metals like platinum, palladium, rhodium, iridium, osmium, and ruthenium.
2. These metals do not react with nitric acid but dissolve in aqua regia.
3. They are widely used as catalysts in chemical industries due to their ability to provide alternate reaction pathways with lower activation energy.
4. Platinum metals form stable complexes and show variable oxidation states, aiding their catalytic properties.