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CSIR UGC NET 2008 : CHEMICAL SCIENCES - PAPER II

13 pages, 99 questions, 7 questions with responses, 9 total responses,

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Chemical Sciences Paper II 1. (a) What is Zeise's salt? Show its structure and describe the bonding. (b) Use Coulomb's law to deduce the dimension of charge. (5) (5) (c) Explain which of the following is primarily responsible for the difference in chemical properties of nanomaterials from the bulk. (2) i. lattice defects ii. surface to volume ratio iii. London forces (d) Suggest a synthetic method (may need more than one step) for the following transformation. (5) MeO MeO (e) Match the following: Compounds 1. progesterone i. 2. amoxycillin ii. 3. morphine iii. iv. v. (3) Type antiulcer compound antiallergic antibacterial hallucinogen harmone 2. (a) Identify the products A to E in the following reactions. (9) (i) W(CO)6 + LiPh + Me3O BF4 A - B Cl (ii) + Fe2(CO)9 C Cl (iii) [Ph3C3][X] + Ni(CO)4 (iv) ( 5-Cp)2Fe + CH3COCl D E (b) Draw the structures of Co4(CO)12 and Ir4(CO)12. 3. (a) Write appropriate equations for the synthesis of (i) N3P3Cl6 and (ii) N3P3F6. (6) (4)

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Additional Info : CSIR UGC (National Eligibility Test) NET New Exam Scheme December 2008 Model Question Paper - Chemical Sciences Paper II Joint CSIR UGC NET Exam Question Papers
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