RGUHS MHA Last 10 Years 2011-2021 Question Papers (1st Sem, 2nd Sem, 3rd Sem And 4th Sem)
=I :‘NEigatm#gwrv 3 X 10 = 30 Marks
Firstranker's choice . .
- What is ultrasound assisted reaction? What are the different types of reactions with their applications.
- Describe coupling reaction in peptide synthesis with suitable examples.
- Enumerate different types of Pericyclic reactions with examples. Write a note on electro-cyclic reaction with example.
- What is racemic modification? Discuss the different methods of resolution of racemic mixtures.
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SHORT ESSAY (Answer any Nine) 9 X 5 = 45 Marks
- Define green chemistry. Write the principle of green chemistry.
- Explain the effects of solvents in microwave assisted reactions.
- Explain site specific chemical modification of peptide.
- Describe formation of peptide and peptide amide with suitable examples.
- Explain Cycloaddition reaction with example.
- Discuss the importance of transition metal in metal catalysed reaction.
- Describe briefly about Zeigler-Natta catalyst.
- Explain with suitable examples use of enzymes in organic synthesis.
- Describe Fischers D and L notation and E and Z notation.
- Write a note on Stereo selective synthesis with examples.
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