A substance on treatment with dil H(2)SO...

A substance on treatment with dil `H_(2)SO_(4)` liberates a colourless gas which produces (i) turbidity with ba-ryts water and (ii) turns acidified dichromate solution green .The reaction indicates the presence of:

`CO_(3)^(2-)`

`S^(2-)`

`SO_(3)^(2-)`

`NO_(2)^(Θ)`

Text Solution

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The correct Answer is:

`BaSO_(3) + 2HCI(dil) rarr 2NaCI + H_(2)O + SO_(2)`
`K_(2)Cr_(2)O_(7) + H_(2)SO_(4) + 3SO_(2) rarr K_(2)SO_(4) + H_(2)O + Cr_(2)(SO_(4))_(3) green `

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