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A metal sulphide (A) gives (B) gas with ...

A metal sulphide (A) gives (B) gas with rotten egg and (C) a colourless sulphates, when treated with dil. `H_(2)SO_(4)` (B) reacts with `K_(2)Cr_(2)O_(7)//H^(+)` to form (D) a white grey element. (D) burns in oxygen to yield (E) a colourless gas. If (B) is added in (E), it gives (D) and colourless liquid, which turns anhydrous `CuSO_(4)` blue. (C) gives a precipitate with `NH_(3(aq))` or NaOH which dissolves in excess of NaOH.
B is

A

`SO_(2)`

B

`SO_(3)`

C

`H_(2)S`

D

`CS_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Due to formation of `H_(2)S` gas
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Knowledge Check

  • A metal sulphide A gives gas B with rotten egg smell and a colourless sulphate C, when treated with dil H_2SO_4 . B reacts with K_2Cr_2O_7//H^+ to form D, a white grey element. D burns in oxygen to yield E a colourless gas. If B is added to E, it gives D and a colourless liquid, which turns anhydrous CuSO_4 blue. C gives precipitate with NH_(3(aq)) or NaOH, which dissolves in excess of NaOH

    A
    `H_2S`
    B
    `SO_3`
    C
    `SO_2`
    D
    `CS_2`

  • A metal sulphide A gives gas B with rotten egg smell and a colourless sulphate C, when treated with dil H_2SO_4 . B reacts with K_2Cr_2O_7//H^+ to form D, a white grey element. D burns in oxygen to yield E a colourless gas. If B is added to E, it gives D and a colourless liquid, which turns anhydrous CuSO_4 blue. C gives precipitate with NH_(3(aq)) or NaOH, which dissolves in excess of NaOH The element D is

    A
    Zn
    B
    Cu
    C
    S
    D
    Ba

  • A colourless gas which burns with blue flame and reduces CuO to Cu is

    A
    `N_(2)`
    B
    `CO`
    C
    `CO_(2)`
    D
    `NO_(2)`

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