What are the reactions involved in removing ${{SO}_{2}}$

environmentchemistry
cbse

#1

(i) What are the reactions involved in removing ${{SO}_{2}}$ from the atmosphere by passing it through a solution containing citrate ions?.
(ii) What is the most important sink of CO pollutant?
(iii) How are flue gases from industries freed from oxides of nitrogen and sulphur?


#2

(ii) Soil microorganisms
(iii) By scrubbing them with cone. $H_{2}SO_{4}$ or with alkaline solutions like Ca${{(OH)}{2}}$ and
Mg${{(OH)}
{2}}$.