JNTU
JNTU B.Pharmacy I PHARMACEUTICAL ORGANIC CHEMISTRY - I Previous Question Paper (April - 2023 - R17)
i) Question paper consists of Part A, Part B.
ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions.
iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
PART - A
Write the structure of n-butane and iso-butane.
Answer
n-Butane: CH3-CH2-CH2-CH3
Iso-butane (2-methylpropane): CH3-CH(CH3)-CH3
Write the structure of 1-bromopropane and 1-bromo-2-methylpropane.
Answer
1-Bromopropane: CH3-CH2-CH2-Br
1-Bromo-2-methylpropane: (CH3)2CH-CH2-Br
Define the peroxide effect.
Answer
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Explain about an allylic rearrangement.
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Write the structure and uses of glycerol.
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What is a Walden’s Inversion?
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Describe the isomeric effect in carbonyl compounds.
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Write structure and uses of chloral hydrate.
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Write note on the effect of substituents on acidity.
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Explain about basicity of amines.
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PART - B
Explain about the functional, metamerism and tautomerism with examples.
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Define isomerism.
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What is meant by Chain and positional isomerism?
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Write about Markownikoff’s orientation with examples.
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What is Saytzeff’s rule?
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Explain about free radical reactions of Alkene.
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Describe rearrangement of carbocations.
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Write the mechanism in SN2 reactions.
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Explain about Qualitative tests of Benzyl Alcohol.
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Write the structure and uses of Iodoform.
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Explain the order of Alkyl halides reactivity.
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Write about crossed Aldol condensation.
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Write note on crossed Cannizaro reaction.
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Explain about Benzoin condensation.
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Add note on Perkin condensation.
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Write the structure and uses of Ethanolamine.
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Explain qualitative tests for Amides.
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Write the structure and uses of Tartaric acid.
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Describe qualitative test, structure and uses of Amphetamine.
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