Download OU B.Pharma 2-1 Year 2016 4040 Pharmaceutical Analysis I Question Paper

Download OU (Osmania University) B.Pharma 2-1 (2nd Year 1st Sem) (Bachelor of Pharmacy) 2016 4040 Pharmaceutical Analysis I Previous Question Paper

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1705 1705
Code No. 4040
FACULTY
B. Pharmacy 2/4 I Semester (Main) Examination, November 2016
Subject : Pharmaceutical Analysis ? I (Chemical Analysis)
Time : 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 (a) (i) Define the terms accuracy and precision. Explain the difference between
them with suitable examples. (8)
(ii) Describe different methods of expressin concentration of solutions. (6)
OR
(b) (i) Discuss abt the statistical treatment of analytical data. Write notes on
rejection of dbtful value. (8)
(ii) Define the followin terms and ive examples with required properties (6)
(A) Primary standard (B) Secondary standard
2 (a) (i) Define the terms buffer, buffer action and buffer capacity. Discuss the role of
buffers in pharmaceutical analysis. (3+5)
(ii) Write Arhenis theory of acids and bases. (6)
OR
(b) (i) Explain the terms acidimetry and alkalimetry with suitable examples. (8)
(ii) Discuss the theories of neutralization indicators. (6)
3 (a) (i) Discuss the principles involved in ravimetry. Explain abt co precipitation
and post precipitation with suitable examples. (3+6)
(ii) How do y prepare and standardize 0.1 K
2
Cr
2
O
7
. (5)
OR
(b) (i) Explain Iodimetry and Iodometry with suitable examples. Discuss the use of
starch as indicator in redox titration and its limitations. (10)
(ii) Write a note on dryin procedures followed in ravimentry. (4)
4 (a) (i) Discuss the principle involved in complexometric titration. Write short notes
on PM indicators. (8)
(ii) Write the principle and procedure involved in estimation of manesium
sulphate. (6)
OR
(b) (i) Write brief accnt on principles of as analysis. (6)
(ii) Discuss abt the solvents and indicators used in non aques titration. (8)
5 (a) (i) Define the terms: (8)
(A) Normality (B) Molarity
(C) Theoretical yield (D) Percentae yield
(ii) Write the mass balance equation for the followin: (6)
(A) KBr + KBrO
3
? KCl + Br
2
+ H
2
O
(B) CaCO
3
+ HCl? CaCl
2
+ H
2
O + CO
2
OR
(b) (i) What is avaadro?s number? Write an accnt on determinin moles of
elements in compnds. (8)
(ii) Find the pH of a solution in which [H
+
] = 4.0 x 10
5
mol /dm
3
(6)
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