Pharmaceutical Organic Chemistry II Question Paper

MOST IMPORTANT QUESTIONS Pharmaceutical organic chemistry-II (B.pharm 3rd semester) Here are a Selective questions of previous years questions papers collected by the different sources. this question papers are very helpful to all B. pharm 3rd Sem students.

Question -02 marks

• Define aromaticity.

• Why phenol is acidic?

• Why p-nitroaniline is less basic than aniline?

• Write the definition of RM value.

• Discuss the difference between drying and nondrying oil with example.

• What do you understand by angle strain?

• Write the different conformations of ethane.

• Illustrate the principle of saponification value.

• Predict the structure and medicinal uses of DDT and Naphthalene.

• What is banana bonding.

• Give structure and uses of DDT.

• What are phenols? Give physical properties of it.

• Define Iodine number (Iodine value).

• Define acetyl value. Give its signification.

• What are the uses of triphenylmethane?

• Define cycloalkanes.

• Give molecular orbital picture of benzene.

• Why phenol is acidic in nature?

• What is Friedal craft acylation? Explain with suitable reaction.

• Give structure and uses of Naphthols.

• Explain acid value.

• Give Hawarth synthesis of phenanthrene.

• Give stability order of cycloalkanes.

• Draw any four aromatic structures.

• Give structure and uses of diphenylmethane.

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Question -10 marks

• Give structure, preparation and properties of phenol.

• Explain aromatic electrophilic substitution reactions in Benzene with respect to halogenation with mechanism.

• Give structures, synthesis, reactions and uses of Anthracene derivatives.

• Explain Baeyer strain theory of stability of Cycloalkanes and give its limitations.

• Give analytical, synthetic and other evidences in derivation of structure of benzene.

• Write a note on theory of strainless ring.

Question -07 marks

• Explain effect of substituents on reactivity and orientation of mono substituted benzene compounds towards electrophilic substitution reaction.

• Write about analytical, synthetic, and other evidence in the derivation of structure of benzene.

• Give Huckel’s theory with suitable examples.

• Why phenols are acidic in nature?

• Explain Sache-Mohr theory of stability of cycloalkanes. Give reactions of cyclopropane and cyclobutane.

• Give effect of substituent on orientation of monosubstituted benzene compounds towards electrophilic substitution reaction.

• Explain saponification and iodine number.

• Give reactions of fat and oils.

• Give Baeyer’s strain theory and its limitation.

• Give structure, preparation and properties of naphthalene

• Illustrate in detail about Baeyer’s Strain theory with its limitations.

• What do you mean by fats, oils, and waxes? Discuss the chemical reactions of fats, oils and waxes