B. Pharmacy 2nd Semester Pharmaceutical Organic Chemistry Past Paper April-May 2021 PDF
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Uploaded by ImprovingParody
Shri Shankaracharya Technical Campus
2021
PCI
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Summary
This is a past paper for the second semester B. Pharmacy exam, specifically the Pharmaceutical Organic Chemistry section, for the April-May 2021 timeframe. It covers multiple choice and other question types. The exam is from the PCI (Pharmacy Council of India) board.
Full Transcript
## B. Pharmacy (Second Semester) Examination, April-May 2021 ### (PCI Scheme) **(Pharmacy Branch)** ## PHARMACEUTICAL ORGANIC CHEMISTRY-IV ### THEORY (P202T) Time Allowed: Three hours Maximum Marks: 75 **Note:** Question paper contains 3 parts namely Part A, Part B and Part C. Attempt all...
## B. Pharmacy (Second Semester) Examination, April-May 2021 ### (PCI Scheme) **(Pharmacy Branch)** ## PHARMACEUTICAL ORGANIC CHEMISTRY-IV ### THEORY (P202T) Time Allowed: Three hours Maximum Marks: 75 **Note:** Question paper contains 3 parts namely Part A, Part B and Part C. Attempt all questions in Part A. Attempt any two questions in Part B. Attempt any seven question in Part C. Each question in Part A is of 1 mark. Each questions in Part B is of 10 marks. Each question in Part C is of 5 marks. ### **Part-A** **Note:** Attempt all questions. **1. Multiple Choice Questions:** 1 x 20 = 20 **[2]** (1) Isomers have the same molecular formula but different functional groups are: - (a) Position Isomers - (b) Chain Isomers - (c) Functional Isomers - (d) Optical Isomers (2) LPG (House hold Cooking gas) is mainly a mixture of - (a) Methane + Ethane - (b) Acetylene + O<sub>2</sub> - (c) Butane + Isobutane - (d) Acetylene + H<sub>2</sub> (3) The carbon atoms involved in the double bond of an alkane are: - (a) sp hybridized - (b) sp<sup>2</sup> hybridized - (c) sp<sup>3</sup> hybridized - (d) None of these (4) Lucas test is used to determine the type of - (a) Acids - (b) Alcohols - (c) Amines - (d) Carbohydrates (5) Acetaldehyde on treatment with Fehling's solution gives a precipitate of: - (a) Cu - (b) Cu<sub>2</sub>O - (c) CuO - (d) None of these (6) Which molecule is an example of Ketone: - (a) Salicyclic acid - (b) Proparamido - (c) Acetone - (d) Acetic anhydride (7) Which of the following poisonous gas is formed when chloroform is exposed to light and air: - (a) Mustard gas - (b) Carbon Monoxide - (c) Phosgene - (d) Chlorine (8) Gabriel phthalimide reaction is used for the synthesis of: - (a) 1º aliphatic amines - (b) 2º amines - (c) 1º aromatic amines - (d) 3º amines (9) Which of the following is most basic: - (a) Ammonia - (b) Methylamine - (c) Dimethylamine - (d) Trimethylamine (10) Which of the following compound will show geometric isomerism: - (a) Propene - (b) 2-Butene - (c) Propyne - (d) 2-Butyne (11) -C-O-C- is the functional group represented by: - (a) Ether - (b) Aldehyde - (c) Ketone - (d) Ester (12) Carbylamine test is given by: - (a) Primary amines - (b) Secondary amines - (c) Tertiary amines - (d) None of these (13) Which of the following bond is not present in carboxylic acid functional group: - (a) O-H - (b) C=O - (c) C-O - (d) C=C (14) Alkyl halides undergo: - (a) Electrophilic substitution reaction - (b) Electrophilic addition reaction - (c) Nucleophilic substitution reaction - (d) Nucleophilic addition reaction (15) Formula of N, N-dimethylethanamide is: - (a) HC-CO- N(CH<sub>3</sub>)<sub>2</sub> - (b) H<sub>2</sub>C-NH-COCH<sub>3</sub> - (c) H<sub>3</sub>C-CH<sub>2</sub>CON(CH<sub>3</sub>)<sub>2</sub> - (d) H<sub>3</sub>CCO-C(CH<sub>3</sub>)<sub>2</sub>NH<sub>2</sub> (16) IUPAC name of the compound - (a) γ-amino-β-hydroxybutyric acid - (b) 4-amino-2-hydroxybutanoic acid - (c) α-amino-γ-hydroxybutyric acid - (d) 1-amino-3-hydroxybutanoic acid (17) Which alcohol has the lowest solubility in water: - (a) Pentanol - (b) Methanol - (c) Butanol - (d) Ethanol (18) Basic hydrolysis of esters is called - (a) Saponification - (b) Acidification - (c) Esterification - (d) Acetylation (19) Which of the following acid derivatives are most stable: - (a) Acid chloride - (b) Esters - (c) Amides - (d) Anhydrides (20) Which of the following aldehydes used alone, will undergo an aldol reaction: - (a) Formaldehyde [HCHO] - (b) Butanol [CH<sub>3</sub>(CH<sub>2</sub>)<sub>3</sub>CHO] - (c) Benzaldehyde [C<sub>6</sub>H<sub>5</sub>CHO] - (d) 2-propenal [CH<sub>2</sub>=CHCHO] ### **Part-B** 2 x 10 = 20 **Note:** Answer any two question from Part-B. All question carry equal marks. 2. Give a brief note on SN1 and SN2 reactions and their mechanisms. Explain the factors which affects SN1 and SN2 reactions. 3. Explain following name reactions: (any four) - (a) Halogenation of alkanes - (b) Cannizzaro reaction - (c) Nucleophilic addition - (d) Diel-Alder reaction - (e) Nucleophilic addition reaction 4. How is iodoform prepared? Explain the properties and ### **Part-C** 5 x 7 = 35 **Note:** Answer any seven question from Part-C. All question carry equal marks. 5. Explain Markownikoff's and Antimarkownikoff's rule. 6. Give a short note on E1 and E2 reaction. 7. Write structure and uses of ethyl chloride and chloroform. 8. Explain the effect of substituent on basicity of aliphatic amines. 9. Discuss the mechanism for the acid catalyzed and base catalyzed hydrolysis of amides. 10. How will you distinguish between primary, secondary and tertiary amines. 11. Why aldehydes and ketones are collectively called carbonyl compounds. Discuss Perkin condensation. 12. Give the structure and uses of acetic acid. How will you distinguish between formic acid and acetic acid. 13. Write Qualitative tests of Alcohols.
