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