Max. Marks: 75 Marks
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Pharmaceutical Analysis - I
Q.P. CODE: 5002
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Your answers should be specific to the questions askedDraw neat labeled diagrams wherever necessary
LONG ESSAYS (Answer any Two)
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2 x 10 = 20 Marks
1.
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Define and classify determine errors with examples. List the methods of minimising errors.2.
Classify acid base titrations. Explain the Quinonoid theory of indicators with example.
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3.
Define oxidizing and reducing agents with suitable examples. Explain the principle involved
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in the iodometric titrations.SHORT ESSAYS (Answer any Seven)
7 x 5 = 35 Marks
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4.
How do you prepare and standardise the following compounds ? a) 500ml of 0.1N
hydrochloric acid b) 250ml of 0.1N sodium hydroxide.
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5.
What is usefulness of mixed and universal indicators?
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6.Explain the uses of the following in non aqueous titrations ? a) perchloric acid b) acetic acid
c) acetic anhydride d) crystal violet.
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7.Explain the principle and procedure involved in Volhards method and modified Volhards
method.
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8.Explain the principle and procedure involved in the estimation of Calcium Gluconate.
9.
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Explain what is co-precipitation and post-precipitation with example.
10.
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Explain the titrimetric curves obtained in conductometric titration a) strong acid Vs weakbase b) strong base Vs strong acid.
11.
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Explain the construction and working of glass electrode. What are the advantages of glasselectrode?
12.
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Give the construction and working of DME.SHORT ANSWERS
10 x 2 = 20 Marks
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13.
Give the pH range of phenolphthalein and methyl orange indicators.
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14.Give the role of starch as an indicator in redox titrations.
15.
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Give a list of methods of expressing concentration.
16.
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How do you calculate stiochiometric end point in acid base titrations.17.
Name the solvents used in non-aqueous titrations.
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18.
What is the difference between chelates and the complexes?
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19.List the optimum conditions for precipitation in gravimetric analysis.
20.
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Calculate equivalent weight of Hydrogen peroxide and Oxalic acid.
21.
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Name two compounds which can be estimated by conductometry.22.
Write the importance of Nernst equation.
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