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[X] + H(2)SO(4) to [Y] a colourless gas ...

`[X] + H_(2)SO_(4) to [Y]` a colourless gas with irritating smell,
`[Y] +K_(2)Cr_(2)O_(7) + H_(2)SO_(4) to "Green solution"`, [X] and [Y] is :

A

`SO_(3)^(2-), SO_(2)`

B

`Cl^(-), HCl`

C

`S^(2-), H_(2)S`

D

`CO_(3)^(2-), CO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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