Environmental Chemistry — Mains Questions

Discuss the chemical mechanisms of ozone layer depletion and photochemical smog formation. How do these phenomena impact human health and the environment?

Elaborate on the principles of Green Chemistry and explain how their application can contribute to sustainable development in India. Provide suitable examples.

Analyze the chemical basis of water pollution from industrial effluents and agricultural runoff. What chemical treatment methods are employed to mitigate these pollutants?