Question

SO2 act as oxidizing and reducing agent but SO3 act as an oxidizing agent only . Comment

Answer 1

Answer:

This is because in SO2 , Sulphur has vacant d orbital but this is not so in SO3 . Hence it acts only as an oxidizer . If SO3 acted as a reducing agent , it would achieve an oxidation higher than what is already has in SO3

Explanation:

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