Problem: Platinum nanoparticles of diameter ~2 nm are important catalysts in carbon monoxide oxidation to carbon dioxide. Platinum crystallizes in a face-centered cubic arrangement with an edge length of 3.924 Å.Which size of nanoparticle (2.0 nm or 5.0 nm) would you expect to be more catalytically active and why?

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Platinum nanoparticles of diameter ~2 nm are important catalysts in carbon monoxide oxidation to carbon dioxide. Platinum crystallizes in a face-centered cubic arrangement with an edge length of 3.924 Å.

Which size of nanoparticle (2.0 nm or 5.0 nm) would you expect to be more catalytically active and why?

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