#1. Retro-Electrochemical Reaction: A ring has been made, but the light is causing the molecule to un- cyclize. Undo the ring into all possible molecules. (2pts, no partial credit) hv
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- 12. (10 pts) Under the right conditions radical bromination of A produces compound B as shown below (this is termed allylic bromination): hv Br Br2 A B Write a detailed mechanism for the propagation steps of the above radical bromination, showing how the products are formed and that the radical used in the first step is formed in the last step (use curved arrows to show electron flow).QUESTION7 (1) Na DH, HzO, heat 2. (2) proto nation with H36t What is the product of the reaction: HO. (a) (b) HO -HO- (c) (d) HO O Answer (a) Answer (b) Answer (c) Answer (d) a save and submit. Click Save All Answers to save all answers. Save O O O O(75) (75) Consider the following reaction. From the given choices of intermediates and/or final products, choose the 5 related to this reaction and put them in order to describe the complete mechanism (all the steps involved) for this reaction.
- Q2- Which one of the following reaction is unreasonabl? A) NaOH(aq)+HCl(aq)-NaCla+H₂O B) H2(g)+1/202)→ H₂Op AHneutralization=-851.5kJ/mol =-283.5kJ/mol AHormation C) CH3COOH + H₂O-CH:COO(g) + H AHassociation = +213.5kJ/mol D) Mg(+2HCl → MgCha) + H₂ - AHformation =+315.5kJ/mol Q3- If A 25.0 mL of diluted bleach solution has required 30 mL of 0.30 M Na S,O; to reach the endpoint of the titration. Calculate the mass percent of NaCIO in the original sample (Molar mass NaCIO = 74.5 g/mol). Assume the density of bleach solution is 1.084g/mL and the dilution factor is 10. B) 9.96% C) 0.996% D) 12.4% A) 19.92% and the colo4. Reactions, Pushing Electrons, and Thermodynamics Reaction 1: (a) o Draw an arrow pushing mechanism for the elimination reaction below and draw all products formed (including all organic and inorganic products). 'Bu = tert-butyl. (b) ( HO H H H&C..Bu H3C Br In going from reactants to products, does charge stability increase or decrease? (c) Is the reaction reversible (yes or no answer) at room temperature (i.e., not adding heat energy)?How to answer A-E?
- able ) 3. Use arrows to show the reaction mechanism for the reaction below. Draw structures of the intermediates and products. Label the thermodynamic product and the kinetic product. Draw an energy diagram and label reactant, transition states, intermediates, products, activation energy, and AG. -H-CI =>10:44 ull ? ( Notes Done CH2 = CH2 + Br+ -- +CH2-CH2BR This is a step in a is the electrophile reaction where Radical Br+ Polar Br+ Radical CH2=CH2 Polar CH2=CH2 Aa "CH2" 1 2 3 4 7 8 9 0 & #+= ? ! АВС space return %24 LO :)Which product(s) would form under the conditions given below? iH i 00 1.03 2. Me₂S A B D A and B B and C OC and D Save for Later B H H C D