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Roasting of sulphids gives the gas X as a by-product. This is colorless gas with the chocking smell of burnt sulfur and caused great damage to respiratory organs as a result of acid rain. Its aqueous solutions is acidic, acts as a reducing agent and its acid has never been isolated.The gas X is:

  • Option 1)

    SO_{2}

  • Option 2)

    CO_{2}

  • Option 3)

    SO_{3}

  • Option 4)

    H_{2}S

 

Answers (1)

best_answer

As learnt in

Acid rain -

Rainfall and other precipitation with a pH of less than 5.6 . Acidic components, sulphuric acid and nitric acid,
are emitted into the atmosphere from thermal power plants, industries, automobiles.

- wherein

2SO_{2}(g)+O_{2}(g)+2H_{2}O(l)
ightarrow 2H_{2}SO_{4}(aq)

4NO_{2}(g)+O_{2}(g)+2H_{2}O(l)
ightarrow 4HNO_{3}(aq)

 

 2M_{2}S + 3O_{2}\rightarrow M_{2}O +SO_{2}


Option 1)

SO_{2}

This option is correct

Option 2)

CO_{2}

This option is incorrect

Option 3)

SO_{3}

This option is incorrect

Option 4)

H_{2}S

This option is incorrect

Posted by

prateek

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