OU B.Pharm Question Papers Last 10 Years 2010-2020 || Osmania University
B. Pharmacy II Year I Semester (Suppl.) Examination, April 2016
Subject: Pharmaceutical Analysis -1
(Chemical Analysis)
Time: 3 Hrs Max.Marks: 70
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FACULTYB. Pharmacy II Year I Semester (Suppl.) Examination, April 2016
Subject: Pharmaceutical Analysis -1
(Chemical Analysis)
Time: 3 Hrs Max.Marks: 70
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Note: Answer all questions. All questions carry equal marks.- a) Explain about the calibration and its importance in analysis. 8
b) Write a note on rejection of doubtful value. 6
OR
c) Write a note on significant figures and rules for computation. 8--- Content provided by FirstRanker.com ---
d) Describe different methods of expressing concentration of standard solution. 6 - a) Define the term pH. Explain about the hydrolysis of salts. 8
b) Explain law of mass action and its significance. 6
OR
c) Explain the neutralization curves for a titration between strong acid and strong base.--- Content provided by FirstRanker.com ---
Comment upon the indicators used. 10
d) Describe the principle and procedure involved in standardization of 0.1 N HCl. 4 - a) Discuss the general principles of gravimetric analysis. 8
b) Write an account on the Oxidation - Reduction titrations and their applications in analysis. 6
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c) Discuss about various types of redox indicators with examples. 8
d) Write a note on organic precipitants used in gravimetry. 6 - a) Discuss the principles of gas analysis. 6
b) Write the principle of complexometric titration. Describe the principle and procedure involved in assay of magnesium sulphate. 8
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c) Explain the preparation and standardization of 0.1 M EDTA solution. 6
d) Write the principle involved in non-aqueous titration. Explain with examples, what type of pharmaceutical compounds are assayed by non-aqueous titration. 8 - a) What is Avogadro's number and write an account of measuring of moles of elements and compounds. 5
b) Explain the terms theoretical yield, percentage yield and limiting reactant. 9
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c) Define the terms empirical formula, molecular formula and percentage composition. 8
d) Find the pH of a solution in which [H+] = 4.0 x 10-8 mol / dm3. 6
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