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Pune University - SY BSc (Sem - II) CHEMISTRY - I, April 2010

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Total No. of Questions :4] [Total No. of Pages : 2 [3717] - 205 S.Y. B.Sc. CHEMISTRY - I CH : 221 Inorganic Chemistry (New Course) (Sem. - II) P483 Time :2 Hours] [Max. Marks : 40 Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Neat diagrams must be drawn wherever necessary. Q1) Attempt the following : a) What is gangue? b) When Bayer s process is used? c) Name products of Blast Furnace. d) Draw structure of B2 H6. e) Minamata incident is due to which metalion. f) What are conjugate acid-base pair? g) Why transition metal forms complexes? h) What is corrosion? i) Why HClO4 is stronger acid than HClO3? j) [10] Explain term diamagnetism. Q2) Attempt any two of the following : a) [10] Write the names, symbols and electronic configurations of III A group and Explain trends in the following properties of these element. i) Size of Atoms. ii) Oxidation State. b) Explain concept of Acid-Base according to Lux-Flood concept with suitable examples. c) Answer the following : i) ii) Explain the process of concentration of ore by leaching process. Explain biochemical effect of Cadmium. P.T.O.

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Additional Info : S.Y. B.Sc. Chemistry (Semister - II), CH - 221 : Inorganic Chemistry (New Course), Pune University
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