qualitative inorganic analysis

How do we differentiate between the compounds containing SO32- and SO42- anions?
in all books i've seen ,both the anions ( SO32- and SO42-) have same tests and both give same products.

2 Answers

23
qwerty ·

SO32- can be oxidised further , suplhate ion cannot be oxidised further ...

1
ajoy abcd ·

SO3- gives white ppt with BaCl2
soluble in dil Hcl,while sulphate gives white ppt insoluble in dil.Hcl.
Reason:refer post 2

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