Are you searching for Previous Year Question Papers of PH Organic Chemistry III ? If yes, then you should stop searching because you had reached that article which will provide you the Previous Year Question Papers of PH Organic Chemistry III.

No matter which course you are doing, if you are selected the science stream then you have to study the chemistry. If you are pursuing B Pharmacy then you will absolutely know that the chemistry is of two types i.e. Organic Chemistry and Inorganic Chemistry. 

As you are reading this blog that means you are getting little bit confusion about the question which can be ask in the exam of PH Organic Chemistry III. I am sure that you will get your solution through this blog and will get confident for you upcoming examination.

You are reading the blog of Carewell Pharmacy which provide you the best solution regarding your doubt related to B Pharmacy.

Lets Start with Introduction :-

PH Organic Chemistry III is the subject of B Pharmacy Semester 4 imparts knowledge on stereo-chemical aspects of organic compounds and organic reactions, important named reaction, chemistry of important hetero cyclic compounds. It also emphasizes on medicinal and other uses of organic composites.

The prev. yrs question papers is uploaded by Carewell Pharmacy which is based on RUHS [ Rajasthan University of Health Science ].

Previous Year Question Papers of PH Organic Chemistry III

There is a Table of Content given below which help you to find out your required Year Question Paper. You can click on particular year which you want to redirect.

💡 Table of Content

Previous Yr. Papers of PH Organic Chemistry III [ 2020 ]

SECTION A 
Ques.1 Answer the ques. in very short [ 5*2=10 ]
  1. Define partial and absolute asymmetric synthesis.
  2. Draw the structure of oxazole and thiophene.
  3. Mention the role of reducing agents in the process of reduction with an example.
  4. Define Isomerism.
  5. Differentiate stereo isomerism from geometrical isomerism.

Ques.2 Answer the ques. in very short [ 5*2=10 ]
  1. Give the example of Claisen-Schmidt condensation reaction.
  2. Explain relative Aromaticity.
  3. Define racemic mixture with one example.
  4. Differentiate between the chiral and achiral molecules.
  5. Explain diastereomers with examples.
  
SECTION B 
Answer (any two) questions in Long Answer [ 2*10=20 ]
Ques.3 Explain the Schmidt rearrangement and metal hydride reaction in brief with the mechanism.
Ques.4 Discuss in detail about the synthesis of Azepines and their medicinal uses with two examples.
Ques.5 Discuss the conformational isomerism of n-butane and cyclohexane.

SECTION C 
Ques.6 Answer (any four) question in short answer [ 4*5=20 ]
  1. Explain about Dakin reaction and its mechanism.
  2. Discuss the synthetic scheme and medicinal uses of Pyrrole with an example.
  3. What is Atropisomerism ? Discuss the condition required for optical activity in biphenyl compound.
  4. Differentiate stereospecific and stereo selective reaction with one example each.
  5. Explain about the RS system of nomenclature of optical isomers with appropriate example.

Ques.7 Answer (any three) question in short answer [ 3*5=15 ]
  1. Explain about the nomenclature of the geometric isomers with examples.
  2. Discuss the reaction and mechanism of the Oppenauer oxidation.
  3. Discuss the reaction which furan undergoes.
  4. Discuss the medicinal uses of purines and pyrimidines by using basic structures.


Previous Yr. Papers of PH Organic Chemistry III [ 2021 ]

SECTION A 
Ques.1 Answer the questions in very short [ 5*2=10 ]
  1. Stereo specific Reaction
  2. Chiral center
  3. Diastereoisomerism
  4. Meso Compounds
  5. Huckle's Rule

Ques.2 Answer the questions in very short [ 5*2=10 ]
  1. Why pyrrole is less basic than a secondary aliphatic amine ?
  2. Why does furan have lower boiling point than pyrrole ?
  3. What are the similarities between furfural and Benz aldehydes ?
  4. Why pyrimidine is miscible in water but pyrrole is not ?
  5. Write structural formula of :- (i) 2-Methyl Quinolone (ii) 3-Nitro Pyrrole

SECTION B 
Answer (any two) questions in Long Answer [ 2*10=20 ]
Ques.3 What is Claisen-Schmidt condensation reaction ? Explain its mechanism & its medicinal uses ?
Ques.4 Discuss the synthetic importance of oppenauer-oxidation and Schmidt rearrangement.
Ques.5 Give synthesis and medicinal uses of Azepines and their derivatives.

SECTION C 
Ques.6 Answer (any four) question in short answer [ 4*5=20 ]
  1. What do you mean by racemic mixture ?
  2. Discuss the synthesis of thiophene with example.
  3. Explain conformational isomerism.
  4. Explain CIS and Trans configuration with example.
  5. What is difference between stereo specific and stereo selective reactions ?

Ques.7 Answer (any three) question in short answer [ 3*5=15 ]
  1. Explain optical isomerism in short with example.
  2. What do you know about asymmetric synthesis, explain with example ?
  3. Discuss method of determination of configuration of geometrical isomers.
  4. Give synthesis of furan and pyrrole with example.