Question

During manufacture of sulfuric acid,in which step does catalyst used?
step
sulfur--------->sulfur dioxide
step Q step R
------------>sulfur trioxide--------->
sulfuric acid.

In which step does catalyst used?
A)step Q only.
B)Step R only.
C)Step Q and R.
D)step and step Q and R.​

Answer 1

Answer:

Answer:The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum used to be the catalyst for this reaction; however, as it is susceptible to reacting with arsenic impurities in the sulfur feedstock, vanadium(V) oxide (V2O5) is now preferred.

Answer 2

Answer:

step Q and step R,both places used