Question

explain the conditions favaranble for the formation of so3 and so2 in the contact process of the H2so4​

Answer 1

Explanation:

Favourable conditions for the conversion of SO2 to SO3 are as follows: Exothermic reactions are favoured at low temperature, and the yield is maximum at about 410–450°C. Pressure of about 1–2 atmosphere is used. Excess of oxygen increases the production of sulphur dioxide.

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