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Roasting of sulphides gives the gas X as...

Roasting of sulphides gives the gas X as a by product. This is a colourless gas with choking smell of burnt sulphur and causes great damage to repiratory organs as a result of acid rain. Its aqueous solution is acidic, acts as reducing agent and its acid has never been isolated. The gas X is :-

A

`SO_(2)`

B

`CO_(2)`

C

`SO_(3)`

D

`H_(2)s`

Text Solution

Verified by Experts

The correct Answer is:
A
`SO_(2)` gas is obtained when any sulphide are is roasted
`2M_(2)S+3O_(2) rarr 3 M_(2)O + 2 SO_(2)`
This gas `(SO_(2))` exhibits all the characteristics as given in the question.
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