Pharmaceutical Organic Chemistry III Important Question B. Pharma 4th Semester

Pharmaceutical Organic Chemistry III Important Question B. Pharma 4th Semester

Pharmaceutical Organic Chemistry III Important Question

Pharmaceutical Organic Chemistry III Important Question

Long Answer Type Questions (10 marks)

1. What is dienes? Write the types of the dienes with structural examples? Write the preparation of 1,3- butadiene with reaction? What is Diels’s alder reaction and give suitable example? (1+2+4+3=10)

2. Explain elimination reaction?  Write briefly on any one of elimination reactions. Differentiate between E1 and E2. (3+5+2=10)

3. Explain SN1 and SN2 reaction with mechanism. (5 + 5)

4. Write details about Qualitative analysis of alcohol.

5. Write the method of preparation on carboxylic acids.

6. Write the preparation of method on aldehyde and ketones.

Short Answer Type Questions (5 marks)

1. Write the chemical properties of ethyl alcohol.

2. Write the uses and structure of the following

a. Ethyl chloride b. Trichloroethylene c. Tetrachloromethane d.  Dichloromethane

e. Chloroform.

3. What is hybridization? What are the types of hybridization and explain Sp3 hybridizations with examples? (1+4)

4. What is electrophilic addition reaction and explain with a reaction mechanism? What is ozonolysis? (4+1)

5. What is symmetrical bond and unsymmetrical bonds explain with examples?  Give examples of symmetrical reagents and unsymmetrical reagents? What is protic acid and give suitable examples? (2+2+1)

6. Write the uses and structure of the following

1. Formaldehyde 2. Acetone 3. Benzaldehyde 4. Vanillin 5. Cinnamaldehyde.

7. Explain Benzoin condensation with reaction mechanism.

8. Explain aldol condensation with reaction mechanism.

9. What is Cannizzaro reaction explain with reaction mechanism?

10. What is alcohol? Classify alcohol with structural examples.

11. Write the structure and IUPAC name of the following:

1. Citric acid 2. Succinic acid 3. Salicylic acid 4. Benzoic acid 5. Tartaric acid.

12. Write the structure and IUPAC name of the following:

1. Acetic acid 2. Lactic acid. 3. Benzyl benzoate 4. Acetyl salicylic acid 5. Oxalic acid.

13. Write the uses of paraffins.

14. Explain Markownikoffs rule with reaction mechanism.

15. Wite down the classifications of Organic compounds.

16. Explain electrometric effect and inductive effects with examples.

17. Explain stereochemistry of carbonyl compound.

18. Explain basicity of aliphatic amines.

19. Write the qualitative test of carboxylic acid.

20. What is ozonolysis? Explain anti-Markownikoffs rule with reaction mechanisms.

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