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(B) In the contact process for the manufacture of $H_2SO_4$,$SO_2$ is oxidized to $SO_3$ using a catalyst.Platinized asbestos (platinum metal deposite

Vedclass · Accepted Answer

Heterogeneous catalysis

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(B) In the contact process for the manufacture of $H_2SO_4$,$SO_2$ is oxidized to $SO_3$ using a catalyst.Platinized asbestos (platinum metal deposited on asbestos) acts as a solid catalyst for the gaseous reactants ($SO_2$ and $O_2$).Since the catalyst is in a different physical state (solid) than the reactants (gases),this is an example of heterogeneous catalysis.

Platinized asbestos is used as a catalyst in the manufacture of $H_2SO_4$. It is an example of

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