This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University
TKN/KS/16/6978
B. Pharm. Semester-II (C.B.S.) Examination
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PHARMACEUTICAL ANALYSIS-IPaper-IV : 2T4
Time-Three Hours] [Maximum Marks-80
N.B.:- (1) Question No. 1 compulsory.
(2) Solve any FOUR questions from the remaining.
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(3) Draw neat labelled diagram wherever necessary.(4) Use of electronic calculator is permitted.
- Answer any FIVE of the following :
- Explain why chloride estimation by Mohr's method need to be performed in neutral media.
- Comment on the use of acetic anhydride in preparation of 0.1 M acetous perchloric acid.
- Explain why aqueous solution of sodium chloride is neutral whereas solution of sodium acetate is basic.
- Give advantages of ceric ammonium sulphate over other oxidising agent in redox titrations.
- Explain how aging and digestion helps in obtaining better quality precipitate in gravimetry.
- Explain the concept of molarity and normality with their relative merits and demerits.
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4x5
- What are neutralization indicators ? Give theory of their action and explain theoretical basis for selection of suitable indicators for acid-base titrations.
15
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- Give advantages and limitations of non-aqueous titrations and explain alkalimetry in non-aqueous media.
10
- Define accuracy, precision and error. Give classification of errors with suitable examples.
5
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- Give advantages and limitations of non-aqueous titrations and explain alkalimetry in non-aqueous media.
- Classify the redox indicators with suitable examples and explain theory of internal redox indicators. Give the method for preparation, standardization and storage of 0.02 M solution of potassium permanganate.
15
- What are complexes and chelates ? Describe EDTA as a titrant in complexometry. Elaborate the ways and means of improving selectivity of complexometric titrations and explain how will you determine aluminium and magnesium present in admixture.
15
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- What is gravimetry ? Give its merits and demerits. Explain co-precipitation and post-precipitation of impurities and their minimisation in gravimetric analysis. Add a note on gravimetric assay of piperazine salts.
15
- Explain the theory of adsorption indicators and give their examples with conditions of their use. Add a note on preparation and stardardisation of 01 M silver nitrate solution.
15
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This download link is referred from the post: RTMNU B-Pharm Last 10 Years 2010-2020 Previous Question Papers || Rashtrasant Tukadoji Maharaj Nagpur University
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