ANALYTICAL CHEMISTRY Exam Question & Answers Correct And Complete

Document shared on www.docsity.com Downloaded by: kareey () Exam on ANALYTICAL CHEMISTRY Chemistry Jamia Millia Islamia 5 pag. 100% complete Graded A+ Exam on ANALYTICAL CHEMISTRY, Exams for Chemistry Set No. 1 Code No: R05010801 I B.Tech Semester Supplimentary Examinations, June 2009 ANALYTICAL CHEMISTRY (Chemical Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks Document shared on www.docsity.com Downloaded by: kareey () 1. (a) Mention the factors, which determine successfully quantitative analysis by gravimetry. [6] (b) Discuss the process of co-precipitation. [4] (c) Explain why precipitations are carried out in dilute solutions. [6] 2. (a) What are neutralization reactions? Explain their importance in quantitative analysis with examples. [8] (b) Write an account of metal ion indicators. [8] 3. Write short notes on (a) Beer -Lambert’s law. (b) Applications of UV-Visible spectroscopy [8+8] 4. (a) List out and explain various factors which influence the position of absorption frequencies from their normal value in IR spectroscopy. [10] (b) Write a note on finger -printing of organic molecules based on IR spectroscopy. [6] 5. (a) What are redox titrations? How will you conduct redox titrations by poten - tiometric methods? Explain your answer with suitable examples. (b) Describe the advantages of conductometric titrations. [8+8] 6. (a) Discuss the method for the determination of cadmium by polarographic method. (b) Write briefly on controlled potential coulometric analysis. [8+8] 7. (a) Discuss the principle, technique and important applications of thin layer chro - matography. [10] (b) Write short notes on radial paper chromatography. [8] 8. (a) Write an essay on applications of gas chromatography. [12] (b) Briefly discuss the importance of solvent system in HPLC. [4] * ⋆ ⋆ ⋆ ⋆ 1 of 1