Question

i n the contact process why pt catalysts is not used​

Answer 1

heyaaa♥️

Platinum used to be the catalyst for this reaction; however, as it is susceptible to reacting with arsenic impurities in the sulfur feedstock so Vanadium Oxide (V2O5) is now preferred.

Answer 2

Answer:

Vanadium pentoxide is preferred to platinized asbestos or any other catalyst as it is comparatively cheaper and less easily poisoned or susceptible to impurities

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