The catalyst used in the production of sulphur trioxide and oxygen is *
1 point
MnO2
V2O5
Fe
Pt
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Explanation:
Adding an excess of oxygen to sulfur dioxide in the presence of the catalyst vanadium pentoxide at 450 °C and 1-2 atm. The sulfur trioxide formed is added to sulfuric acid which gives rise to oleum (disulfuric acid) The oleum is then added to water to form sulfuric acid which is very concentrated.
pt
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