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- Which of the following molecules is trans? CH, H,C H,C CH, CH, H,CH3C. H || IV Predict the correct splitting tree for circled hydrogen in the structure below. Br A) I B) II C) III D) IVUne or more valid answers. Explain the answers. The localization or resonance energy: a) Justify the increased stability of molecules that have unlocated electrons b) It is a consequence of the mobility of the electrons that form the “sigma” bonds c) It occurs in compounds with conjugated double bonds, but not in aromatic compounds d) It is shown by the experimental values of the enthalpies of formation.
- Choose the factor that explains this observation. || A) resonance stabilization B) charge C) electronegativity D) polarizability OH OH₂A chair structure of a trisubstituted cyclohexane is shown below. Determine which of the following 2D representations matches the chair structure. CH3 CH3 H3C- CH3 A) I II CH3 CH3 CH3 B) I| CH C) II CH3 IV CH, CH3 CH3 D) IVCH,CH3 1. Assign absolute configurations as R or S to each of the following compounds. F) d. Br CH,CH3 но A) Br C COOH NO HO CH,C H. B) CH3 CHa H) Bri.C -CH2CH3 NC CH,Br NO, J) CH3 Но CH3 K) CI -COOH Br D) H3C Br CH3 NH2 NH2 L) CN Br E) М) Č. CH3 CH;CH CH2OH
- 1. CHǝMgBr A 2. H3O+ 1. KCN B 2. H3O+ 1. CH3Li C 2. H3O+ 1. (CH3)2CULI 2. H3O+ DoneXOVW3_VV u-IgNslkr7j8P3jH-liJQOWQJvqYPWI Determine the relationship between Structure A and Structure B in each row of the table. Structure A Structure B Relationship o isomers H. :0: H H D-H H-C=C-C-C-H H-C= C-C= C-H O resonance structures H. H H O neither o isomers :S-c=N: :NEC-S: O resonance structures o neither o isomers H-N-C=N: O resonance structures H. H-C= O neither 75°F DELLWhich of the ff pairs of structure represent resonancr forms, and which do not?
- ( find structure asap plz C10H20 )Which of the following Newman projections is represented below.1) Consider the following 5 compounds: NH2 H3C- NHh = white Cos H=red NH2 NH2 NH2 COOH H- -COOH COOH H3C čOOH NH2 čOOH H3C H- -NH2 ČOOH II II H3C H NH2 COOH H, COOH H3C. COOH NH2 NH2 COOH NH2 IV Indicate which of the following TWO structures are described by the following (use all ten a. possible combinations, +&4, I & II, &-V, 1& V, I & I,tt&V, H&V, II & IV, II & V, V-& Identical:+V, Enantiomers: | V,1-11 Diastereomers: lIV IV, N V b. Indicate which of the above compounds WILL rotate plane polarized light when dissolved in solution by writing their Roman numeral(s) here.