Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.Pharm SEMESTER-VII • EXAMINATION SUMMER-2017
Subject Code: 2270012 Date: 10/05/2017
Subject Name: Green Chemistry
Time: 02:30 PM to 05:30 PM Total Marks: 80
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Discuss the importance of starting materials in designing green synthesis.
06

Make a detailed note on bio catalysts.
05

Discuss the use of microwaves and ultrasonic energy in green synthesis.
05
Q.2

Define green solvents, immobilized solvents and ionic solvents with suitable examples.
06

Write a note on international organizations promoting green chemistry.
05

Write in brief on inception of green chemistry.
05
Q.3

Enlist principles of green chemistry. Explain any two in detail.
06

Discuss the obstacles in achieving the goals of green chemistry.
05

Define green chemistry. What are the necessities of it?
05
Q.4

Discuss about combinatorial green chemistry.
06

Write the future scopes of solventless reactions.
05

Write the applications of green chemistry.
05
Q.5

Write the green synthesis of ibuprofen and paracetamol.
06

Write a note on microwave assisted Diels-Alder reaction.
05

Discuss the microwave assisted oxidation of alcohols.
05
Q. 6

Explain various ways to avoid unnecessary derivatization in green synthesis.
06

Write a short note on polymer supported catalysts.
05

Explain the rationale behind the use of protecting groups in green synthesis.
05
Q.7

Enumerate ultrasound assisted reactions. Explain any one detail.
06

Explain the decarboxylation by use of microwave energy.
05

Write a note on microwave assisted Claisen rearrangement.
05