Pharmaceutical Organic Chemistry 1 Important Questions are most helpful for the B.Pharm 2nd semester examination. You can also download the suggestions PDF.
Classification, Nomenclature, and Isomerism
1. Give the classification of organic compounds.
2. Write in detail the classification of heterocyclic compounds.
3. Write the classification of organic compounds based on functional groups.
4. Write in detail the IUPAC system of nomenclature.
5. Write the Hantzsch-Widman and IUPAC nomenclature for heterocyclic compounds.
6. How is the IUPAC system used for the nomenclature of fused systems and benzo compounds?
7. What is isomerism? Classify it with suitable examples.
8. Write in detail about structural isomerism with examples.
9. What do you mean by tautomerism?
10. Explain metamerism with examples.
11. Name the following alkyl groups:
(a) CH₃ –
(b) CH₃CH₂ –
(c) CH₃-CH₂-CH₂ –
(d) (CH₃)₂CH-
12. Arrange the following groups according to their functional group priority:
(a) -OH
(b) -COOH
(c) -NO₂
(d) -Cl
13. Write the structural formula for the following compounds:
(a) 2-propenal
(b) 2-chloro-2-methylpropene
(c) 2,2,4-trimethylpentene
(d) 2-propanone
14. Write the IUPAC names for the following compounds:
(a) (CH₃)₂CHCH₂CH₂COCl
(b) CH₃CH₂CH(CH₃)CN
(c) H₂C=CHCH₂CH₂CONH₂
(d) (CH₃CH₂)₂CHCN
Alkanes, Alkenes, and Conjugated Dienes
Long Answer Questions
1. Discuss sp² hybridization in alkanes.
2. Write a note on the halogenation reaction of alkanes with mechanism.
3. Explain the stability of alkenes.
4. Discuss E₁ and E₂ reactions along with kinetics and the order of reactivity of alkyl halides.
5. Explain the factors affecting E₁ and E₂ reactions.
Short Answer Questions
1. What is Markovnikov’s rule of addition?
2. Explain Saytzeff’s rule.
3. Write a note on ozonolysis.
4. What is the Diels-Alder reaction?
5. What is allylic rearrangement?
Alkyl Halides
Long Answer Questions
1. Discuss the different types of haloalkanes.
2. Discuss in detail the Sₙ1 reaction and its mechanism.
3. Discuss in detail the Sₙ2 reaction and its mechanism.
4. Explain in detail the rearrangement of carbocations.
5. What are the factors affecting Sₙ1 and Sₙ2 reactions?
Short Answer Questions
1. Differentiate between inversion and racemization.
2. Give the uses of chloroform and carbon tetrachloride.
3. Why does iodoform have appreciable antiseptic properties?
4. Why is the solubility of haloalkanes in water very low?
5. What product is expected when chloromethane reacts with ammonia?
Alcohols
Long Answer Questions
1. What are alcohols? Discuss various types of alcohols.
2. Explain the chemical reactions of alcohols.
3. How will you prepare alcohols?
4. Distinguish between primary, secondary, and tertiary alcohols.
5. Write the structure and uses of the following:
(a) Ethyl alcohol
(b) Chlorobutanol
(c) Cetostearyl alcohol
(d) Propylene glycol
Short Answer Questions
1. What is Lucas reagent?
2. Which alcohol is more reactive towards the Lucas test and why?
3. How will you convert alcohol to aldehyde?
4. Name the reagents used to carry out the oxidation of alcohols.
5. Write the medicinal uses of benzyl alcohol.
Carbonyl Compounds (Aldehydes and Ketones)
Short Answer Questions
1. Give qualitative tests for the determination of aldehydes and ketones.
2. Give the complete mechanism of benzoin condensation.
3. Give the complete mechanism of Perkin condensation.
4. Explain the stability aspects of carbonyl compounds.
5. Give the structure and synthetic uses of the following:
(i) Formaldehyde
(ii) Paraldehyde
(iii) Acetone
Long Answer Questions
1. Give the complete mechanism of the Cannizzaro reaction and Crossed Cannizzaro reaction with suitable examples.
2. Give the complete mechanism of aldol condensation and crossed aldol condensation with suitable examples.
3. Write in detail the method of preparation, physicochemical properties, and uses of the following:
(a) Benzaldehyde
(b) Vanillin
(c) Cinnamaldehyde
4. Explain the similarities and differences between aldehydes and ketones.
5. Write the nomenclature, isomerism, and methods of preparation of aldehydes and ketones.
6. Explain why carbonyl carbon undergoes nucleophilic addition.
Carboxylic Acid
Long Answer Questions
1. Discuss the effect of substituents on the acidic character of carboxylic acids.
2. Write in detail about the qualitative tests used for the identification of the carboxyl group.
3. Write the structure and uses of Acetyl salicylic acid.
4. Write the structure and uses of Benzyl benzoate.
5. Discuss the acidity of carboxylic acids.
Short Answer Questions
1. What is the Biuret test?
2. What is the inductive effect?
3. What happens when an ester undergoes hydrolysis?
4. Write the uses of Methyl salicylate.
5. Write the structures of Lactic acid, Oxalic acid, and Tartaric acid.
Aliphatic Amines
Long Answer Questions
1. What are amines? How will you classify them?
2. How will you differentiate between primary, secondary, and tertiary amines?
3. Amines are basic in nature. Discuss.
4. Explain the effect of substituents on the basic character of amines.
5. Discuss the pharmaceutical uses of amines.
Short Answer Questions
1. What is Hinsberg reagent?
2. Explain why MeNH₂ is a stronger base than MeOH.
3. Explain the role of pyridine in the acylation of amines.
4. What is the best reagent to convert a nitrile to a primary amine?
5. Write the structure and uses of the following amines:
(a) Ethanolamine
(b) Amphetamine
(c) Ethylenediamine