【正文】 hem at the exit examination booklet keep it, together with the pen and calculator. 第 15 頁 共 64 頁 Country: Language: Fundamental Constants, Equations and Conversion Factors Atomic mass unit 1 amu=1027kg Avogadro’s number N=1023mol1 Boltzmann’s constant k=1023JK1 Electron charge e=1019c Faraday’s constant F=104C mol1 Gas constant R==第 1 頁 共 64 頁 Code： Name： 37th IChO Theoretical Examination Answer Sheets Problem 1： Chemistry of Amides and Phenols 11 12 13 14 15 16 17 18 Σ Total Points 4 4 4 4 6 4 8 4 38 Received Problem 2： Organic Synthesis and Stereochemistry 21 22 23 24 25 26 27 28 Σ Total Points 4 8 6 6 6 8 6 4 48 Received Problem 3： Organic Photochemistry and Photophysics 31 32 33 34 35 36 37 38 Σ Total Points 8 4 4 4 4 4 4 4 36 Received Problem 4： Gold Capital of Asia 4A1 4A2 4A3 4A4 4A5 4A6 4B1 4B2 4B3 4B4 4B5 Σ Total Points 2 4 4 2 6 2 2 2 2 8 8 42 Received Problem 5： Lewis Structure 51 52 53 54 55 Σ Total Points 2 4 4 6 5 21 Received Problem 6： Alkalinity of Water and Solubility of CO2 61 62 63 64 65 66 67 68 Σ Total Points 4 4 6 6 4 6 6 4 40 Received Problem 7： Kiic Behavior Behavior of Ozone 71 72 73 74 75 Σ Total Points 6 6 6 4 6 28 Received Problem 8： Protein Folding 81 82 83 84 85 86 87 Σ 第 2 頁 共 64 頁 Total Points 2 2 6 4 4 2 6 26 Received Problem 1： Chemistry of Amides and Phenols 11 12 13 14 15 16 17 18 Σ Total Points 4 4 4 4 6 4 8 4 38 Received 11 Express your answer from high to low melting point as follows： ＞ ＞ (Insert pound codes A, B, C) 12 Answer for multiple choice question： 13 Draw the structural formula of tripeptide GlyGlyGly 14 The number of all possible linear tripeptides is： 15 The number of optically active linear tripeptides is： 16 Express your answer from high to low binding affinity as follows： ＞ ＞ (Insert pound codes D, E, and F) 17 Draw the structural formula of pound H： 18 Answer for multiple choice question： Problem 2： Organic Synthesis and Stereochemistry 21 22 23 24 25 26 27 28 Σ Total Points 4 8 6 6 6 8 6 4 48 Received 第 3 頁 共 64 頁 21 Draw the structural formula of pound A. 22 T or F (a) OsO4 is an oxidizing agent in the reaction of A to B. (b) MeOH is generated as a byproduct in the reaction of B to C. (c) Protons act as the catalyst in the transformation of B to C. (d) C will still be formed albeit in lower yields in the absence of Me2C(OMe)2 23 D/E ratio before recrystallization： Show your work here Code： Name： 24 T or F (a) The reaction was to oxidize pound F. (b) The oxygen atom inserted originated from MCPBA. (c) The R/S notation of C1 remained unchanged before and after the reaction. 25 Draw the configurational formula of pound H. 25 Give your answers as follows C1： ； C2： ； C3： ； C4： . 第 4 頁 共 64 頁 27 C H OP QR ST UC H 2 O HP ：Q ：R ：S ：T ：U ： 28 The number of diastereoisomers of pentasaccharide is： Problem 3： Organic Photochemistry and Photophysics 31 32 33 34 35 36 37 38 Σ Total Points 8 4 4 4 4 4 4 4 36 Received 31 Draw the structural formula of C and D 32 Answer for multiple choice question： 33 Answer for multiple choice question： 34 Answer for multiple choice question： 35 Draw the structural formula of pound H 36 (cis or trans) 37 (Answer for multiple choice question ) 第 5 頁 共 64 頁 38 (Answer for multiple choice question ) Problem 4： Gold Capital of Asia 4A1 4A2 4A3 4A4 4A5 4A6 4B1 4B2 4B3 4B4 4B5 Σ Total Points 2 4 4 2 6 2 2 2 2 8 8 42 Received 4A1 Draw a structure for Au(CN)2 4A2 Weight for KCN： g Show your work here 4A3 Code： Name： 4A4 oxidizing agent： reducing agent： 4A5 Formation constant K： Show your calculations here 4A6 Answer for multiple choice question： 4B1 Answer for multiple choice question： 4B2 Answer for multiple choice question： 第 6 頁 共 64 頁 4B3 Answer for multiple choice question： 4B4 Answer for multiple choice question： Show your work here 4B5 Answer for multiple choice question： Show your work here Problem 5： Lewis Structure 51 52 53 54 55 Σ Total Points 2 4 4 6 5 21 Received 51 52 53 54 Answer for multiple choice question 54a： Answer for multiple choice question 54b： Answer for multiple choice question 54c： 55 Problem 6： Alkalinity of Water and Solubility of CO2 61 62 63 64 65 66 67 68 Σ Total Points 4 4 6 6 4 6 6 4 40 Received 第 7 頁 共 64 頁 61 [H2CO3]： [HCO3]： [CO32]= ： ： (a) (b) Show your work here 62 63 64 65 66 67 68 Problem 7： Kiic Behavior of Ozone 71 72 73 74 75 Σ Total Points 6 6 6 4 6 28 Received 71 72 73 第 8 頁 共 64 頁 74 75 Problem 8： Protein Folding 81 82 83 84 85 86 87 Σ Total Points 2 2 6 4 4 2 6 26 Received 81 8