State – Any two conditions for the conversion of sulphur dioxide to sulphur trioxide.
State – Any two conditions for the conversion of sulphur dioxide to sulphur trioxide.
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1. Two condition for the conversion of SO2 to SO3
2. The mixture of SO2 gas and O2 gas must be pure and dry and in the ratio of 2 : 1 by volume.
3. The mixture should be passed over platinised asbestos or vanadium pentaoxide maintained at 450 ° C.
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