Essential Chemistry for IGCSE - The Chemical Industry (Section 4 - No. 16)
In the Contact process, why is sulfur trioxide absorbed in concentrated sulfuric acid instead of water?
To increase the reaction rate.
To prevent the formation of acid mist.
To make the reaction exothermic.
To decrease the yield of sulfuric acid.
Explanation
To prevent the formation of a dangerous acid mist.
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