1.

what is used as a catalyst in manufacture of sulphuric acid by contact process

Answer»

Thecontact processis the current method ofproducing sulfuric acidin the high concentrationsneededfor industrial processes.

Platinumusedto be thecatalystfor this reaction; however, as it is susceptible to reacting with arsenic impurities in the sulfur feedstock, vanadium(V) oxide (V2O5) is now preferred.



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