$[X] + H_{2} S O_{4} \to [Y]$ a colourless gas with irritating burning smell of sulphur
$[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to$ green solution.
$[X]$ and $[Y]$ are:

S O_{3}^{2 -}, S O_{2}

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C l^{-}, H C l

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S^{2 -}, H_{2} S

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C O_{3}^{2 -}, C O_{2}

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Solution

The correct option is B $S O_{3}^{2 -}, S O_{2}$
$S O_{3}^{2 -} + H_{2} S O_{4} \to S O_{2}$
$S O_{2} + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to C r_{2} S O_{8} + K_{2} S O_{4} + H_{2} O$

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Similar questions

[x] + H_{2} S O_{4} \to

[y] a colourless gas with irritating smell

[y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to

Green solution [x] and [y] are

[X] + H_{2} S O_{4} \to [Y]

a colourless gas with irritating smell

[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to

Green solution. [X] and [Y] are

[X] + H_{2} S O_{4} \to Y

, a colorless gas with irritating smell

[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to

Green solution, [X] and [Y] is

$X + H_{2} S O_{4} \to Y$
$Y + K_{2} C r_{2} O_{7} +$ $H_{2} S O_{4} \to$ Green solution.
$Y$ is a colorless gas with irritating smell.
$X$ and $Y$ are respectively:

[X] + H_{2} S O_{4} \to [Y]

; a colourless gas with irritating smell

[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to

Green solution

[X]

and

[Y]

are:

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[X]+H2SO4→[Y] a colourless gas with irritating burning smell of sulphur[Y]+K2Cr2O7+H2SO4→ green solution. [X] and [Y] are:

The correct option is B SO2−3,SO2SO2−3+H2SO4→SO2SO2+K2Cr2O7+H2SO4→Cr2SO8+K2SO4+H2O

$[X] + H_{2} S O_{4} \to [Y]$ a colourless gas with irritating burning smell of sulphur
$[Y] + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to$ green solution.
$[X]$ and $[Y]$ are:

The correct option is B $S O_{3}^{2 -}, S O_{2}$
$S O_{3}^{2 -} + H_{2} S O_{4} \to S O_{2}$
$S O_{2} + K_{2} C r_{2} O_{7} + H_{2} S O_{4} \to C r_{2} S O_{8} + K_{2} S O_{4} + H_{2} O$