In the formation of SO_3 by the contact proce | vedclass

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(A) The reaction for the formation of $SO_3$ is $2SO_2(g) + O_2(g) ightleftharpoons 2SO_3(g) + 	ext{Heat}$.According to Le Chatelier's principle,to

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Catalyst,optimum temperature and higher concentration of reactants

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(A) The reaction for the formation of $SO_3$ is $2SO_2(g) + O_2(g) ightleftharpoons 2SO_3(g) + 	ext{Heat}$.According to Le Chatelier's principle,to shift the equilibrium in the forward direction (to produce more $SO_3$):$1$. $A$ catalyst $(V_2O_5)$ is used to increase the rate of reaction.$2$. An optimum temperature (around $673-723  K$) is maintained.$3$. $A$ higher concentration of reactants ($SO_2$ and $O_2$) is used to favor the product formation.Therefore,the correct conditions are catalyst,optimum temperature,and higher concentration of reactants.

In the formation of $SO_3$ by the contact process,the conditions used are:

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