JNTU
JNTU B.Pharmacy I Year PHARMACEUTICAL ORGANIC CHEMISTRY - I Previous Question Paper (June-2019 - R17)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
PART - A
Give the IUPAC name for (CH3CH2)2CHCN.
Answer
The IUPAC name for (CH3CH2)2CHCN is 2-ethylbutanenitrile.
What are Homologous series? Give an example.
Answer
A Homologous series is a group of organic compounds having the same functional group and similar chemical properties, where each successive member differs by a -CH2- unit. For example, the alkane series includes methane (CH4), ethane (C2H6), and propane (C3H8).
Discuss the Halogenation reactions of Alkanes.
Answer
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Write a note on Ozonolysis.
Answer
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Give the structure and uses of Chlorbutanol.
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Write the factors affecting SN1 and SN2 reactions.
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Give the structure and uses of Vanillin.
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Give a note on Aldol condensation.
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Give the structure and uses of Oxalic acid.
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Explain the basicity of Amines.
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PART - B
What do you understand by the term Functional group? Give the structure and names of five important functional groups. Write the Common system of nomenclature of organic compounds.
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Explain different types of structural isomerism with examples.
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Explain in detail the Markownikoff’s and Anti Markownikoff’s orientation.
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Discuss the mechanism and kinetics in E1 and E2 reactions. Write a note on the factors affecting E1 and E2 reactions.
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Explain in detail the reaction, kinetics, order of reactivity, stereochemistry of SN1 reaction of Alkyl halides.
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Give the structure and uses of the following: Ethyl alcohol, Iodoform, Cetosteryl alcohol, Glycerol and Chloroform.
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Explain in detail the Perkin condensation with its mechanism. Give the qualitative tests for carbonyl compounds.
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Give the structure and uses of: Hexamine, Cinnamaldehyde, Acetone, Paraldehyde.
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Explain the acidity of carboxylic acids and add a note on the effect of substituent’s on Acidity.
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Give the structure and uses of Acetyl salicylic acid and Salicylic acid. Write the Qualitative tests for Aliphatic amines.
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