Download GTU BE/B.Tech 2019 Winter 5th Sem New 2153611 Green Chemistry For Technologists Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2153611 Green Chemistry For Technologists Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2153611 Date: 25/11/2019

Subject Name: Green Chemistry for Technologists
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) What is atom economy? 03
(b) How catalysts are considered as green? 04
(c) Explain twelve basic principles of green chemistry with suitable examples. 07

Q.2 (a) Write ways for minimization of pollution. 03
(b) How green chemistry is different from general chemistry? 04
(c) Explain utility of water as green solvent in comparison to organic
solvents.
07
OR
(c) Explain some chemical hazards occurred and their probable prevention
by utilizing green chemistry.
07
Q.3 (a) Explain in brief harmful effects of Lead pollution. 03
(b) What changes can be done via green chemistry for persistent pollutants? 04
(c) Provide Green Route of Synthesizing the following (a) Epichlorohydrin (b)
Propylene Oxide (c) Phenol
07
OR
Q.3 (a) Give three chemicals that can be generated from renewable sources. 03
(b) Write suitability for ?Green chemistry for green India? 04
(c) Write in detail the manufacturing involved in Hydrogen Peroxide and also
compare both Conventional vs. Green route
07
Q.4 (a) What is safer chemical design? 03
(b) ?Microwave heating as a greener technology? Explain. 04
(c) What are solvent free reactions Explain various ways available with the
help of chemical reactions.
07
OR
Q.4 (a) Write a note on ?Process Intensification?. 03
(b) Name few industries which have opted OR in need of opting green
chemistry principles?
04
(c) What are Ionic liquids? Explain properties of ionic liquids and their
applications.
07
Q.5 (a) What are VOCs? 03
(b) Explain principle for reduced derivatization. 04
(c) What are supercritical fluids? What is supercritical CO2? What are its
advantages?
07
OR

Q.5 (a) Write a note on solvent free organic synthesis. 03
(b) Explain greener approach of reactions through sonication. 04
(c) Write in detail Green Route of Synthesizing the following (a) Aniline (b)
Ibuprofen.
07


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