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  4. In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst ?

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Q. In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst ?

MHT CETMHT CET 2017The p-Block Elements - Part2

Solution:

In preparation of sulphuric acid from sulphur dioxide in lead chamber process, nitric oxide $NO$ is used as a catalyst.
In preparation of sulphuric acid from sulphur dioxide in contact process, vanadium pentoxide $V_2​ O_5$ is used as a catalyst.