Description
Tutor Marked Assignment
MCH-019: GREEN CHEMISTRY
Course Code: MCH-019
AssignmentCode:MCH-019/TMA/2026
MaximumMarks:100
Note: Attempt all the questions. The marks for each question are indicated against it.
- Explain the need and origin of green chemistry. (5)
- Explain the principle of use of renewable feed stocks. (5)
- Giving a suitable example show that for substitution reaction, the atom economy is less than 100%. (5)
- 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? (5)
- How can catalysis and process analytical chemistry be used as a tool in green chemistry? (5)
- How would you proceed for preparing a chemical compound? Discuss the aspects related to planning, requirements and safety for such a synthesis. (5)
- What are oxidation and reduction reactions? Give one example of each type of theses reactions. (5)
- How would you modify a molecule if it contains a toxic group in its structure? (5)
- (i) Which aspects related to the toxicity of a chemical should be kept in mind while making a wiser choice?
(ii) Give any two examples of the greenhouse gases.
- Explain the formation of photochemical smog using a suitable diagram. (5)
- Write the steps involved in the Boots synthesis of ibuprofen. (5)
- Discuss the use of polymers containing fluorine atoms in the tail part for dissolving industrial material. (5)
- How is catechol produced starting from benzene? Give the sequence of reactions involved. (5)
- How BHT is produced? Write the scheme of synthesis with reactions. (5)
- What is DCOI? Write its structure and use. List the advantages of DCOI as compared to TBTO. (5)
- Give a brief account of insecticides developed by Rohm and Haas. (5)
- What is EPS? Give its uses. (5)
- How is white paper produced? Explain. (5)
- (i) What is PET? Write its uses. (ii) Briefly explain PETRETEC process.
- Write the steps involved in the synthesis of pregabalin.
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