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[X]+"dil".H(2)SO(4)to[Y] : Colourless, s...

`[X]+"dil".H_(2)SO_(4)to[Y]` : Colourless, suffocating gas
`[Y]+K_(2)Cr_(2)O_(7)+H_(2)SO_(4)to` Greenn colouration of solution
Then [X] and [Y] are

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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[X] + dil.H_(2)SO_(4) to [Y] , colourless suffocating gas [Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) to Green colouration of solution . Then [X] and [Y] are -

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(a) Write down the IUPAC name of [Fe(C_(2)O_(4))(H_(2)O)_(4)]_(2)SO_(4) .

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2018-CHEMISTRY
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  11. [X]+"dil".H(2)SO(4)to[Y] : Colourless, suffocating gas [Y]+K(2)Cr(2)...

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