Download OU B.Pharma 2-1 Year 2017 4215 Pharmaceutical Analysis I (Chemical Analysis) Question Paper

Download OU (Osmania University) B.Pharma 2-1 (2nd Year 1st Sem) (Bachelor of Pharmacy) 2017 4215 Pharmaceutical Analysis I (Chemical Analysis) Previous Question Paper

Code No. 4215
FACULTY
B. Pharmacy 2/4 I Semester (Suppl.) Examination, April 2017
Subject : Pharmaceutical Analysis ? I (Chemical Analysis)
Time : 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 (a) Define primary and secondary standards with suitable examples. (2)
(b) Discuss the ideal requirements of primary standard substances. (6)
(c) Explain the terms specificity, sensitivity and standard deviation. (6)
OR
(d) Define Normality and molarity. (2)
(e) Explain the calibration of analytical equipment and its importance in pharmaceutical
analysis. (12)
2 (a) What is Acidimetry and Alkalimetry? (2)
(b) Explain the neutralization curve for a titration between weak and stron base. (8)
(c) Define the followin terms:
(i) pH (ii) Buffer solution (iii) Buffer action (iv) Buffer capacity (4)
OR
(d) Discuss the theory of indicators. (6)
(e) Explain the hydrolysis of salts and write the equations used to calculate the
pH of different salt solutions. (8)
3 (a) Describe the procedure for preparation and standardization of 0.02 M potassium
permananate. (8)
(b) What are oranic precipitants ? Explain the use of oranic precipitation in
ravimetric analysis. (6)
OR
(c) Describe varis types of indicators used in redox titrations. (6)
(d) Discuss the principle and different steps involved in ravimetry. (8)
4 (a) Explain the principle involved in non aques titrations and discuss varis
types of solvents used in non aques titrations. (7)
(b) Discuss the principle and procedure involved in estimation of calcium luconate
by complexometry. (7)
OR
(c) Discuss the principles of as analysis. (8)
(d) Write a note on complexometric indicators. (6)
5 (a) Describe the mole concept and avoadro?s number. (6)
(b) Explain the stoichiometry of ionic equations with suitable examples. (4)
(c) How do y calculate theoretical yield and percentae yield ? Explain with
an example. (4)
OR
(d) Balance the followin chemical equations: (8)
(i) NaOH + H
2
SO
4
? Na
2
SO
4
+ H
2
O
(ii) BaCl
2
+ NaOH ? Ba(OH)
2
+ NaCl
(iii)
H2SO4
+ FeCl
3
? Fe(SO
4
)
3
+ HCl
(iv)Na
2
SO
3
+ HCl ? NaCl + H
2
SO
3
(e) Define the terms empirical formula, molecular formula and percentae
composition. (6)
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