B Pharm 4th Sem Organic Chemistry Imp Questions 2024

In this post B pharm 4th sem organic chemistry important questions are given for 2024. 

Many questions have been included in these questions with the help of previous question papers and question banks. 

These b pharm 4th sem POC 3 important questions have been included in this set because they are being asked repeatedly in the exam and are likely to appear in the upcoming exams also. 

Therefore these fall in the category of very important questions. 

If you want to score good marks in the examination then it is mandatory to write answers to all the questions given here. 

Before writing their answers, your concept on the POC 3 topic must be clear so that you can write accurate answers in your own words. 

You will be able to remember the answers written in this way easily and for a long time. 

You will also be able to do revision in less time before the exam. 

Use the textbook provided by the university to clear your concepts and solve the b pharm 4th sem organic chemistry question paper given here. 

If you face any problem in preparing answers to the questions given here, you can get help from your university professor or use an advanced pharma book. 

Questions from this set of pharmaceutical organic chemistry 3 important questions 4th semester can be included in the question paper found in the examination hall. 

Some of the questions given here may differ due to changes in the syllabus of some universities or if they are different from others. 

Skip them and move ahead. 

When you receive the question paper in the examination hall, read the instructions on the first page carefully and then try to write your answers. 

You should try to write short and informative answers. 

In the question paper of the examination, it is instructed as to how many words long answer and short answer have to be written. 

Follow these instructions, so that you can attempt other questions also. 

Let us prepare answers to pharm 4th sem pharmaceutical organic chemistry 3 imp questions from the set given below.


POC 3 Important Questions

B Pharm 4th Sem Pharmaceutical Organic Chemistry 3 Imp Questions

  • Define conformational isomerism.
  • Write in detail on Elements of symmetry.
  • Write the short notes on the following:- (a) LiAlH4 reduction (b) Birch reduction (c) Wolff Kishner reduction (d) Claisen Schmidt condensation.
  • Write EZ nomenclature of geometrical isomerism with suitable examples. Write any three methods of determination of the configuration of geometrical isomerism.
  • Write a short answer on the following:- (a) Conformational isomerism of ethane (b) Asymmetric synthesis.
  • Write the structure, nomenclature and uses of pyrazole, imidazole.
  • Write in detail on the nomenclature of geometrical isomers with examples.
  • Write the synthesis and medicinal uses of purine.
  • Write the synthesis and reactions of Indole.
  • Describe in detail the RS system of nomenclature of optical isomers.
  • Write the structure and nomenclature of oxazole and thiazole. Write the reduction reaction of thiazole.
  • Write the important reactions and medicinal uses of acridine.
  • What happens when:- (a) Quinoline reacts with potassium permanganate (b) Pyrazole reacts with concentrated nitric acid.
  • Write the DL system of nomenclature of optical isomers.
  • Write the general reaction and applications of Oppenauer-oxidation.
  • Write the structure, nomenclature, and uses of pyrrole, furan, and thiophene. Write any one important reaction of thiophene.
  • Define and classify stereoisomerism.
  • Write the reactions and medicinal uses of imidazole.
  • Write short notes on the following:- (a) Conformational isomerism of n-butane (b) Schmidt rearrangement (c) Clemmesen’s reduction (d) Atropisomerism (e) Give one example for meso isomerism.
  • Write important reactions and uses of Isoquinoline.
  • Write the medicinal uses of Quinoline.
  • Write one example for each of the chiral, achiral, and meso compounds. Write the Reactions of chiral molecules.
  • Write the product of the Chichibabin reaction of Quinoline and Isoquinoline.
  • Define racemic modification and resolution of a racemic mixture. What are the disadvantages of the biochemical method of resolution of the racemic
  • mixture?
  • Explain the nomenclature and classification of heterocyclic compounds.
  • Write the uses of pyrimidine.
  • Explain the Optical isomers of tartaric acid.
  • Define stereospecific synthesis.
  • Compound A has a melting point of 300˚C and a boiling point of 40˚C. Compound B has a melting point of 130˚C and a boiling point of 60˚C. Determine whether compounds A and B are cis or trans isomers.
  • Define sequence rules.
  • Write any one synthesis of pyrrole.
  • What are enantiomers?. Distinguish between enantiomers and diastereomers.
  • What is Clemmensen reduction?
  • Write any one reduction reaction using sodium borohydride.
  • Why pyridine is Basic? Explain the Oxidation of pyridine. Discuss the methods of preparation and chemical reactions of pyridine.
  • Write electrophilic aromatic substitution reactions of quinoline.
  • Write the structure and nomenclature of azepines.
  • Write short notes on the following:- (a) Dakin reaction (b) Conformational isomerism of cyclohexane (c) Electrophilic aromatic substitution reactions of pyrrole (d) Stereoselective reactions.
  • Write the structure and nomenclature of purine. 
  • Write down the mechanism of Beckmann rearrangement with any four synthetic applications.
  • What are fused heterocyclic compounds? Give examples.
  • Write the short notes on the following:- (a) Distereoisomerism (b) Paul knorr synthesis of pyrrole (c) Stereospecific reactions (d) Structure of maleic acid and fumaric acid (e) Syn and Anti system of nomenclature.
  • Why is pyrrole weakly basic?
  • Define optical isomerism.
  • Compare the aromaticity and reactivity of pyrrole, furan, and thiophene.

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