In the presence of which catalyst is sulphur | vedclass

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Question

(D) The reaction for the formation of sulphur trioxide $(SO_3)$ from sulphur dioxide $(SO_2)$ is a key step in the Contact Process for the manufacture

Vedclass · Accepted Answer

Vanadium pentoxide

Vedclass · Answer

(D) The reaction for the formation of sulphur trioxide $(SO_3)$ from sulphur dioxide $(SO_2)$ is a key step in the Contact Process for the manufacture of sulphuric acid.The chemical equation is: $2SO_2(g) + O_2(g) \rightleftharpoons 2SO_3(g)$.This reaction is carried out at high temperatures (approximately $450^{\circ}C$) in the presence of $V_2O_5$ (Vanadium pentoxide) as a catalyst to increase the rate of reaction and yield.Therefore,the correct catalyst is Vanadium pentoxide.

In the presence of which catalyst is sulphur dioxide heated at high temperature to form sulphur trioxide?

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