NCERT Class XII Chemistry <br> Chapter - The p-Block Elements <br> Questions with Solutions

NCERT Class XII Chemistry
Chapter - The p-Block Elements
Questions with Solutions

Question : 22

Total: 74

How is SO2 an air pollutant?

Solution:

SO2 present in atmosphere combines with water to give sulphuricacid.
2SO2+O2+2H2O→2H2SO4
This is called acid rain. Acid rain causes extensive damage to building andstatues made of marble, limestone, etc. due to its reaction to give CaSO4.

CaCO3+H2SO4→CaSO4+CO2+H2O

This way SO2 acts as pollutant.

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NCERT Class XII Chemistry Chapter - The p-Block Elements Questions with Solutions

NCERT Class XII Chemistry
Chapter - The p-Block Elements
Questions with Solutions