AP3C09 Advanced Synthetic Organic Chemistry M.Sc Model Question Paper : mgu.ac.in

Name of the University : Mahatma Gandhi University
Department : Chemistry
Degree : M.Sc Applied Chemistry
Subject Code/Name : AP3C09/Advanced Synthetic Organic Chemistry
Sem : III
Website : mgu.ac.in
Document Type : Model Question Paper

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/mgu.ac.in/5109-III%20AP.pdf

Advanced Synthetic Organic Chemistry Question :

Third Semester M.Sc Applied Chemistry :
MODEL QUESTION PAPER :
Time: Three hours

Related : MGU AN3C10/CH3C10 Organic Syntheses M.Sc Model Question Paper : www.pdfquestion.in/5108.html

Total Weight: 30
Section A :
(Answer any 10 questions. Each question carries a weight of 1)
01. Give examples of chromium and DMSO based oxidation of alcohols to carbonyl compounds.
02. Discuss any two methods for the synthesis of diols from alkenes using Osmium.

03. What is Mitsunobu reaction?
04. What is Baylis-Hilman reaction? Explain its mechanism.
05. Give the structures of NBS and DDQ.

06. Give one method each for the synthesis of (a) thiophene (b) Imidazole (c) Oxazole.
07. Discuss the contraction and expansion of ring systems. Give an example of Demjenov reaction.

08. Discuss asymmetric Diels-Alder reaction.
09. What are click reactions?
10. Explain asymmetric induction.

11. How are alkaloids classified?
12. What is Umpolung equivalence? Give one example.
13. Explain the importance of Green solvents in organic synthesis.
(10×1=10 weights)

Section B :
(Answer any 5 questions. Each question carries a weight of 2)
14. Discuss the method of synthesis of epoxide from alkenes. Explain the mechanism of
(a) Sharpless asymmetric epoxidation and (b) Shi epoxidation.
15. Discuss the photochemical approaches for the synthesis of four membered rings.

16. Explain the method of construction of macrocyclic rings by ring closing metathesis.
17. Discuss the mechanism and applications of inter and intra molecular ketene cycloaddition.

18. How will you synthesize esters and lactones from ketones? Explain Baeyer-Villiger oxidation.
19. Write note on protein biosynthesis.

20. Explain the mechanism of host-guest complex formation. Comment on the forces involved in molecular recognition.
21. Discuss the green alternatives of organic synthesis with special reference to electrophilic aromatic substitution reactions.
(5×2=10 weights)

Section C :
(Answer any 2 questions. Each question carries a weight of 5)
22. Write an essay on the applications of the metal and non-metal based oxidations of (a) alcohols and (b)alkenes in organic synthesis. Illustrate with examples.

23. Write an essay on metal mediated C-C and C-X coupling reactions with special reference to (a) Suzuki coupling (b) Heck reaction (c) Suzuki-Miyaura coupling (d) Glaser coupling and (e) Nozaki-Hiyama reaction.

24. Discuss the basic principles of retero synthesis. Explain one group C-C and two group CC disconnections.

25. What are molecular receptors? Explain the structure, functions, and applications of (a) cyclodextrins (b) crown ethers (c) cryptands (d) tweezers and (e) carbon nanocapsules as receptors. (2×5=10 weights)

Mahatma Gandhi University :
CBCSS B Sc Programme In Chemistry 2011 :
Fifth Semester :
Core Course : CH5B02– Basic Organic chemistry-II
(Write equations wherever necessary)
Model Question Paper :
Time : Three hours
Total weightage : 25
Section A : (Answer all questions. Each bunch of four questions carries a weightage of 1)
I. Fill up the blanks :
1. Nitromethane when reduced by zinc in aqueous NH4Cl forms ———–
2. Soft soaps generally contain————
a. KOH b. NaOH c. Ca(OH)2 d. All of the above
3. A dye has a characteristic colour due to the presence of a ————
4. The excited state having a net magnetic moment is named —————-

II 5. Name the first synthetic fibre to be used.
6. What is the product formed when ethylene glycol is treated with periodic acid?
7. What are antibiotics? Give an example.
8. Draw the transoid conformation of butadiene

III 9. Which spectroscopic technique is the best to differentiate between acetone and ethanal.
10. What are the monomers of Nylon 6,6.
11. Mention a use of Benedict solution.
12. What is Barford’s reagent

IV 13. Name a drug used against Leukimia.
14. A soap to have the best cleansing action, it should contain —– carbon atoms. .
15. Name the predominant product formed when butadiene is treated with Br2 at low temperature.
16. Mention any synthetic application of NBS.

Section B : (Answer any 5 questions. Each carries a weightage of 1)
17. How will you determine the molecular mass of a compound by Mass spectrometry? ?
18. What is DCC? Mention its use.
19. What is paracetamol chemically? What is its use?
20. Explain the relative stabilities of cyclohexane and cyclobutane?

21. How will you prepare phenyl hydrazine? Explain its use.
22. Outline Schiemann reaction?
23. Draw the structure of fluroescein?
24. How is Buna S rubber prepared?