Download OU B.Pharma 2-1 Year 2018 13035 NON CBCS Pharmaceuticals Analysis I (Chemical Analysis) Question Paper

Download OU (Osmania University) B.Pharma 2-1 (2nd Year 1st Sem) (Bachelor of Pharmacy) 2018 13035 NON CBCS Pharmaceuticals Analysis I (Chemical Analysis) Previous Question Paper

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Code No. 13035 / Non CBCS
FACULTY
B. Pharmacy 2/4 I Semester (Non CBCS) (Backlo) Examination, November 2018
Subject : Pharmaceuticals Analysis ? I (Chemical Analysis)
Time : 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 (a) (i) Define the followin:
(A) Accuracy (B) Precisions (C) standard deviation (6)
(ii) What are sinificant fiures? Write the rules for computation. (8)
OR
(b) (i) Define the followin: (4)
(A) Normality (B) Molarity (C) Molality (D) Detection limit
(ii) Describe the procedure for calibration of pipettes and burettes (10)
2 (a) (i) Explain the neutralization titration curve for the reaction between stron
acid and stron base. Comment on the indicators used. (10)
(ii) Write the derivation of Handerson Hesselbach equation used for the
determination of pH. (4)
OR
(b) (i) Explain the followin: (6)
(A) Law of mass action (B) Ionic product of water
(ii) Write a brief note on hydrolysis of salts. (8)
3 (a) (i) Discuss the varis method s used in determination of end point in
precipitation titration. (8)
(ii) Write a note on oranic precipitants. (6)
OR
(b) (i) Discuss the varis types of redox titrations ivin suitable examples. Write
reaction equations wherever necessary. (10)
(ii) Write the factors affectin the precipitation titrations. (4)
4 (a) (i) Discuss the principle and theory of complexotmetric titration. Write a note on
metal ion indicators. (4+4)
(ii) Write the procedure for the preparation and standardization of 0.1 N
perchloric acid. (6)
OR
(b) (i) Discuss the principle and procedure involved in arentometry. (10)
(ii) Explain the principle of non aques titrations. (4)
5 (a) (i) Define the terms limitin reactant, theoretical yield and percentae yield. (6)
(ii) Balance the followin equations. (4)
(A) Ba Cl
2
+ NaOH ? Ba(OH)
2
+ NaCl
(B) H
2
SO
4
+ FeCl
3
? Fe (SO
4
)
3
+ HCl
(iii) Calculate the number of moles in each of the followin: (4)
(A) 7.9 m of calcium (B) 65.5 m of carbon
OR
(b) (i) Write mass balance expressions for the system formed when a 0.010 M
NH
3
solution is saturated with slihtly soluble ABr. (8)
(ii) Find the percent composition of element calcium in calcium hydroxide. (6)
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