Download PTU B.Pharma 2020 Dec 1st Sem 74645 Pharmaceutical Analysis I Question Paper

Download PTU I. K. Gujral Punjab Technical University (IKGPTU) B.Pharma (Bachelor of Pharmacy) 2020 December 1st Sem 74645 Pharmaceutical Analysis I Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 22
B.Pharma (2017 & Onwards) (Sem.?1)
PHARMACEUTICAL ANALYSIS-I
Subject Code : BP-102T
M.Code : 74645
Time : 3 Hrs. Max. Marks : 75
INST RUCT IONS T O CAND IDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B contains THREE questions carrying T EN marks each and s tudents
have to atte mpt any T WO questio ns.
3 .
SECT ION-C c ontains NINE questions ca rrying F IVE marks eac h and s tud ents
have to atte mpt any SEVEN que stions .
SECTION-A
Explain briefly :
Q1.
Give the primary and secondary standards for: sodium thiosulphate and NaOH.
Q 2.
What is specific conductance? How is it related to observed conductance?
Q3.
What is pKa? What is its importance?
Q4.
Give chemical reactions for standardization of sodium nitrite.
Q5.
Explain glass electrode in brief.
Q6.
What is specific conductance?
Q7.
Calculate and express the result to correct number of significant figures :
[(205.0 + 10.025) ? 0.0500] + 10.0124
Q8.
Give pH range of phenolphthalein and methyl orange.
Q9.
Define Chelating Agent and sequestering agent.
Q10. Why is water boiled before preparing sodium thiosulphate solution?
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SECTION-B
Q11. Give a detailed account of titrants, solvents, indicators and chemistry involved in titration
of any weakly basic drug by non-aqueous titrimetry.
Q12. Classify argentimetric titrations. Discuss the chemical equations, titration conditions and
applications of Mohr's method.
Q13. What are potentiometric titrations? Discuss in detail various types of potentiometric
titration curves.
SECTION-C
Q14. Explain calibration of conductance cell.
Q15. What is a dropping mercury electrode? Explain its construction and working.
Q16. Explain the working of a calomel electrode.
Q17. How can you minimize errors in pharmaceutical analysis?
Q18. What type of conductometric titration curve is obtained for NaOH vs HC1?
Q19. Discuss the concept and chemistry involved in permanganate titrations.
Q20. Draw a polarographic wave and explain its various components.
Q21. Discuss in brief the factors affecting the solubility of precipitates.
Q22. Taking appropriate examples, explain masking and demasking agents.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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