Which from following nanoparticle catalysts is used in photocatalysis?

Which from following nanoparticle catalysts is used in photocatalysis?
  1. $\mathrm{TiO}_2$
  2. $\mathrm{Pd}$
  3. $\mathrm{Pt}$
  4. $\mathrm{Au}$

Solution

A commonly studied photocatalyst nanoparticle with a wide range of activities. It's also used in cosmetics and is being investigated as an antimicrobial material.

Asked in: MHT CET 2023 (12 May Shift 2)

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