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Preparatory Problems for 44th International Chemistry Olympiad

Co-Editors: Michael P. Doyle and Andrei Vedernikov
November 2011
Published 2011 American Chemical Society
75 pages

Contents
Physical constants, symbols and conversion factors 6
Topics of Advanced Difficulty 7
Theoretical Problems
Problem 1 Structure of Boron Hydrides and NMR Spectroscopy 8
Problem 2 Structure of Aluminum Halides 9
Problem 3 Polyoxoanions of Boron 10
Problem 4 Boron Nitride and Its Solid State Structure 11
Problem 5 The Tin Pest: Solid State Structure and Phase Equilibrium 12
Problem 6 Silanes: Thermochemistry and Bond Dissociation Enthalpy 13
Problem 7 Lewis Acid-Base Chemistry 14
Problem 8 Nitrogen Oxides: Chemistry, Reaction Equilibrium and Thermodynamics 15
Problem 9 Isomerism of Coordination Compounds of Metals 16
Problem 10 Absorption Spectroscopy 17
Problem 11 Solution Equilibria 18
Problem 12 First Order Rate Processes and Radioactivity 19
Problem 13 Kinetics and Mechanisms of Isomerization of an Octahedral
Metal Complex 20
Problem 14 Metal Phthalocyanines: Mechanism of Reduction 21
Problem 15 Isotope Effects in Azo Coupling Reactions 22
Problem 16 Fluorescent Lamps: Heating Inert Gas Atoms by Electrons 24
Problem 17 Molecular Motors 25
Problem 18 Particles in a Box Problem and Conjugated Polyenes 27
Problem 19 Toluene in a Superacid Solution 29
Problem 20 Mechanism of Catalysis by Lactate Dehydrogenase 31
Problem 21 Substrate Specificity of Subtilisin 34
Problem 22 Electro-spray Ionization Mass-spectrometry of Peptides 36
Problem 23 Persistent Carbenes 39
Problem 24 The Diels¨CAlder Reaction 40
Problem 25 Pericyclic Reactions and the Woodward¨CHoffmann Rules 41
Problem 26 Synthesis of Tetracycline 44
Problem 27 Synthesis of Antiviral Drugs 45
Practical Problems, Safety 48
Problem 28 Analysis of Sodium Sesquicarbonate (Trona) 49
Problem 29 Analysis of Copper in a Nickel Coin 53
Problem 30 Synthesis and Analysis of Iron Oxalate Complex 55
Problem 31 Synthesis and Reduction of an Imine: Green Synthesis of a
New Compound 59
Problem 32 Kinetics of Ferricyanide Oxidation of Ascorbic Acid 67
Problem 33 Synthesis of a Mannich Base: a Mannich Mystery 70

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