CBSE Class 12-science Answered
How to increase the yield of sulphuric acid in Contact process? Draw the flow chart for the manufacture of sulphuric acid.
Asked by Topperlearning User | 11 Jun, 2014, 02:12: PM
Expert Answer
The key step in the manufacture of H2SO4 is the catalytic oxidation of SO2 with O2 to give SO3 in the presence of V2O5 (catalyst).
2SO2(g) + O2(g) 2SO3(g)
The reaction is exothermic, reversible and the forward reaction leads to a decrease in volume. Therefore, low temperature and high pressure are the favourable conditions for maximum yield.
Answered by | 11 Jun, 2014, 04:12: PM
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