B. Pharm Model question Paper : www.uptu.ac.in Gautam Buddh Technical University

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B. Pharm.
First Semester Examination (2008-09)
PHARMACEUTICAL ANALYSIS- I
Paper Code: PHAR- 112 ID: 5093

Q1. Henderson- Hasselbach equation for acidic buffer is ___________. (1)
Q2. Equation for solubility product of AgCl is ___________. (1)
Q3. Fluorescein indicator is used in _____________ titrations. (1)
Q4. Precipitation occurs when ionic product __________ solubility product.(1)
Q5. When observations are taken on the same day, then precision is known as_____. (1)

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Q6. In acidic solution, equivalent weight of KMnO4 is _________. (1)
Q7. The pH of aqueous solution of NaCl is________. (1)
Q8. AlCl3 is a lewis _______. (1)
Q9. No. of moles of solute per __ g of the solvent is known as molality of the solution. (1)
Q10. Iodine is readily soluble in aqueous solution containing________. (1)
Q11. ___________ is used as washing solution in the gravimetric analysis of Aluminium. (1)
Q12. All the water of crystallization of CuSO4.5H2O is lost at _______ 0C. (1)
Q13.Match the following (4 x 1)
a. Ferric ammonium sulphate (i) NaCl Vs AgNO3
b. Potassium chromate (ii) HCl Vs NH4OH
c. Phenolphthalein (iii) NH4SCN Vs AgNO3
d. Methyl orange (iv) NaOH Vs CH3COOH

Section B
Note: Attempt any 6 questions. (6x4=24)
Q1. What are methods to reduce systematic errors in Pharmaceutical Analysis?
Q2. Define “Law of Mass Action”?
Q3. Explain titration of string acid with alkalies by using titration curves?
Q4. What is Colloid? Explain the difference between lyophobic and lyophilic colloids?
Q5. Explain gravimetric determination of BaSO4?
Q6. Explain Fajan’s method in detail?
Q7. Write about Oxidation – Reduction titration curve?
Q8. Calculate the ionic strength of these solutions
(a) 0.16M NaClO4
(b) 0.20M CuSO4

Section C
Note: Attempt any 4 questions. (4x10=40)
Q1. 25.0ml of 0.1M HCl is titrated with 0.10M NaOH. Calculate the pH at the
(a) Stand of titration
(b) After addition of 5.0ml titrant
(c) After addition of 25.0ml titrant
(d) After addition of 30.0ml of titrant
Q2. Explain the following with suitable examples
(a) Different type of co-precipitation
(b) Digestion
(c) Filteration methods
(d) Washing of precipitate
Q3. (a) Explain common ion effect and ionic product of water? (6)
(b) Write a note on choice of indicator? (4)
Q4. (a) Write theory of Redox titration? (5+5)
(b) What are the advantages of Cerric Ammonium Sulphate Ores Iodine?
Q5. Write notes on (any four)
(a) Thermogravimetric Curves
(b) Buffer Soluiton
(c) Mixed Indicators
(d) Henderson – Hasselbach equation.