Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?
Correct answer: D. Oxides of nitrogen & V2O5 on a porous carrier
- A. V2O5 & Cr2O3.
- B. Oxides of nitrogen & Cr2O3
- C. V2O5 on a porous carrier & oxides of nitrogen
- D. Oxides of nitrogen & V2O5 on a porous carrier
Explanation
The chamber process uses oxides of nitrogen to promote oxidation of sulphur dioxide, whereas the contact process uses vanadium pentoxide supported on a porous carrier. Therefore, the catalysts are listed in option d.
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