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A substance on treatment with dil. H2 SO...

A substance on treatment with dil. `H_2 SO_4` liberates a colourless gas which produces (i) turbidity will baryta water and (ii) turns acidified dichromate solution green. The reaction indicates the presence of

A

`CO_2^(2-)`

B

`S^(2-)`

C

`SO_3^(2-)`

D

`NO_2^(-)`

Text Solution

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The correct Answer is:
C
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