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Passage - I : X+H(2)SO(4) to Y, a colo...

Passage - I :
`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.
What is X?

A

`SO_(3)`

B

`SO_(3)^(2-)`

C

`SO_(2)`

D

`OF_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`underset((x))(Na_(2)SO_(3))+2HCl to 2NaCl +H_(2)O +underset((y))(SO_(2)), K_(2)Cr_(2)O_(7)+3SO_(2)+H_(2)SO_(4) to K_(2)SO_(4)+underset("Green")(Cr_(2)(SO_(4))_(3))+H_(2)O`
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Knowledge Check

  • Passage - I : 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. What is Y?

    A
    `SO_(2)`
    B
    `SO_(3)`
    C
    `O_(3)`
    D
    `O_(2)`

  • Passage - I : 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. The compound present in green solution

    A
    `H_(2)SO_(4)`
    B
    `MnSO_(4)`
    C
    `Cr_(2)(SO_(4))_(3)`
    D
    None of these

  • [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)`

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