. Explain the formation of photochemical smog using a suitable diagram.
 

 Give any two examples of the greenhouse gases.

 Which aspects related to the toxicity of a chemical should be kept in mind while making a wiser choice?

 How would you modify a molecule if it contains a toxic group in its structure?

. What are oxidation and reduction reactions? Give one example of each type of theses reactions.

How would you proceed for preparing a chemical compound? Discuss the aspects related to planning, requirements and safety for such a synthesis.

How can catalysis and process analytical chemistry be used as a tool in green chemistry?

What are the characteristics of reagents used in the chemical reactions? Which point should be kept in mind while choosing a reagent from the green chemistry point of view?

Giving a suitable example show that for substitution reaction, the atom economy is less than 100%.

. Explain the principle of use of renewable feed stocks.

 Explain the need and origin of green chemistry.

Describe how SDG 11 ("Make cities inclusive, safe, resilient, and sustainable") connects to eco-cities.

 Provide an analysis of agglomeration economies and discuss their significance within the context of urban development in Indian cities.

 Identify major threats to urban biodiversity and suggest strategies for conservation.

Define the concept of an urban setting. Discuss its major characteristics with examples from India.

Define the concept of an urban setting. Discuss its major characteristics with examples from India.

क्षारीय KMnO4 के उपयोग द्वारा 2-हैक्साइन के ऑक्सीकरण से प्राप्त उत्पाद लिखिए।

( क) आप 1-हैक्साइन से 3 ऑक्टाइन किस प्रकार बनाएंगे? इसमें निहित चरणों को लिखिए।

प्रोपीन के हाइड्रोबोरॉनन और उसके पश्चात् क्षारीय H₂O₂ द्वारा ऑक्सीकरण पर होने वाली अभिक्रियाएं लिखिए।

परॉक्साइड प्रभाव क्या होता है? व्याख्या कीजिए।