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Pune University - FY BSc CHEMISTRY - II, April 2010 (Old Course)

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Total No. of Questions : 5] [Total No. of Pages : 4 [3717] - 57 F.Y.B.Sc. P225 CHEMISTRY - II Organic and Inorganic Chemistry (Theory) (Paper - II) (Old Course) (2004 Pattern) Time : 3 Hours] Instructions to the candidates: 1) All questions are compulsory. 2) Draw neat diagrams wherever necessary. 3) Figures to the right indicate full marks. [Max. Marks :80 Q1) Answer the following: [16] a) Alkanes are water insoluble but alcohols are water soluble. Explain. b) What is dehydrogenation? Explain with suitable example. c) Draw structures of cis and trans isomers of 2-butene. d) Explain plane of symmetry with suitable examples. e) What is Friedel - Craft acylation? Give one example. f) Give disadvantages of hard water. g) Write electronic configuration of elements having atomic number 11 and 28. h) Draw the structures of XeF4 and XeF6. Q2) a) Answer any two of the following: [8] i) What are conformations? Discuss the conformational isomerism in ethane using energy profile diagram. ii) What is hybridisation? Explain the formation of ethane using concept of hybridisation. iii) What are alkanes? Discuss any two methods of preparation of alkanes. iv) Assign E and Z configuration of the following. P.T.O.

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Additional Info : F.Y.B.Sc. CHEMISTRY - II Organic and Inorganic Chemistry (Theory) (Paper - II) (Old Course) (2004 Pattern), Pune University
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