Download OU B.Pharma 3-1 Year 2018 1182 Physical Pharmacy I Question Paper

FirstRanker.com
Firstranker's choice FirstRanker.com

Code No. 1182

--- Content provided by FirstRanker.com ---

FACULTY

B. Pharmacy 3/4 I Semester (Suppl.) Examination, April 2018

Subject : Physical Pharmacy I

Time : 3 Hrs Max. Marks: 70

Note: Answer all questions. All questions carry equal marks.

--- Content provided by​ FirstRanker.com ---

1. (a) Explain the postulates of the kinetic molecular theory. (4)
   (b) Explain the methods to achieve liquefaction of gases. (6)
   (c) Write about polymorphism and its applications in pharmacy. (4)
   OR
   (d) State Gibbs phase rule. Explain the phases diagram of phenol water system. (7)
   

   --- Content provided by‍ FirstRanker.com ---

   (e) Write a note on refractive index and molar refraction with applications. (7)
2. (a) State and explain first and second law of thermodynamics with applications. (8)
   (b) Define: (i) Specific heat (ii) Latent heat (iii) Enthalpy (iv) Entropy (6)
   OR
   (c) Define and explain Hess’s law of constant summation. Write its applications. (7)
   

   --- Content provided by⁠ FirstRanker.com ---

   (d) Explain Gibbs free energy and its function and applications. (7)
3. (a) What are colligative properties? Explain freezing point depression as a colligative property and its applications. (8)
   (b) Discuss the modern theory of strong electrolytes. (6)
   OR
   (c) Write a note on Sorensen’s pH scale. (4)
   

   --- Content provided by​ FirstRanker.com ---

   (d) Derive the equation for determination of acidity and basicity constant and write its use. (7)
   (e) Define Molarity, molality and normality. (3)
4. (a) What are the methods for adjustment of tonicity and pH. Explain cryoscopic method and sodium chloride equivalent method for adjusting isotonicity. (10)
   (b) Write Van Slyke’s equation for buffer capacity and maximum buffer capacity and its applications. (4)
   OR
   

   --- Content provided by‌ FirstRanker.com ---

   (c) Derive Henderson Hasselbalch buffer equation for a weak acid and its salt. (7)
   (d) Explain is isotonic, hypertonic and hypotonic solutions? Explain its importance. (4)
   (e) Write a note on physiological buffers. (3)
5. (a) Explain different types of electrodes. (10)
   (b) Write the applications of redox potentials in pharmacy. (4)
   

   --- Content provided by⁠ FirstRanker.com ---

   OR
   (c) Draw and explain Daniel cell. (6)
   (d) What is catalysis? Write types of catalysts, catalytic reactions, mechanism and applications of catalytic reactions. (8)

FirstRanker.com

--- Content provided by⁠ FirstRanker.com ---