Question

Name the catalyst used for conversion of so2 to so3 in contact process

Answer 1

V2O5 is the catalyst used in the reaction

Answer 2

The catalyst used for the conversion of $So_2$ to $So_3$ in contact process is $V_2O_5.$.

Explanation:

• The contact process is the procedure used for making sulphur dioxide.

• This sulphur dioxide is then converted into sulphur trioxide.

• Sulphur trioxide is then converted into conc. Suphuric acid, the use of catalyst takes place in the step of converting sulphur dioxide to sulphur trioxide.

        $2SO_2 + O_2 \rightarrow2SO_3,$

• This is the reaction that occurs, the $SO_2$ and oxygen are used in 1:1 ratio.

• It takes place at a temperature of 400-450 degrees Celcius with $V_2O_5$ acting as a catalyst.

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