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- d) Grubbs Catalyst e) Pd(OAc)2 PPH3 Br H3C. N. EtzN MeOH CH3 ZIPredict the products by showing the reaction mechanism (arrow pushing) of the given diagram.1. Cl2; H2O2. HBr3. BH3 THF; H2O, NaOH17. The rate-determining step for a chemical reaction that proceeds by multiple mechanistic steps, is the step: a) with the highest energy transition state. b) with the largest activation energy. c) with a transition state that looks like the starting material for the mechanistic step. d) with a transition state that looks like the product for the mechanistic step.
- 78:-Sketch an energy diagram for a one-step reaction that is fast and highly exergonic.Which reaction is endotharmic? Exothermic? Explain your answer. A B Transition State Transition State A----8 A-B--B E. forward fonward E. CExecse. ceverse Reactants Reactants AB. A E A Ea Products AB B. Products AB B PROGRESS OF REACTION PROGRESS OF REACTION ENERG>product? Uod c). Br Pd cat CO2CH3 1. LDA 2. H2C=0 3. Н.О
- d. e. f. g. h. H₂O Na, NH3 -78°C H₂ Pd/C 1. BH3 - THF 2. NaOH, H₂O2, H₂O HBr H₂ Lindlar's catalyst Tt O BWhat is the kinetically controlled product in the following reaction? A Br OA. A OB. B О с. с OD. D B Br HBr ?? C Br Br DRefer to the folowing reaction mechanism: O' CH3-C OCH, OH slow CH, C-OCH fast CH,-C-OH CH,0 OH fast CH,C O CH,OH The least stoble transition state hos which structure? A CH-C-OCH, B. CH, C OCH, C. CH,-C-OCH, D. CH, COCH, OH OH ansaer Tme let 037 Refer to the tollowing reaction mechanium CH, coC, fast • OH CH C-OCH slow Нс он * сно fast CH,C-O CH,OH The most stable intermediate is A CH C осн, в сн, с осн, с. сн C.CH, C-OH D.CH-C-0 OH han songerto conp becouse on 14 Pyridine is a stronger base than pyerole because ered H. d out of eon pyridine 1H-pyrrole ione pair in pyridine is locolized. lone poir in pyrtole in locakzed Nrogan in pytidine is sp hybridirea ntrogen in pymole is sp'nybndced 15 the seoction eiow is on omple of whot hpe of oegoriC eaction? O nitrogen in pyrrole is sp hybridized. The reaction below is an example of what type of organic reaction? H2C=CH2 Br/CC4 BRCH,CH,Br +1 OElectrophilic Substitution CNucleophilic Substitution O Bimination ONucleophilic Addition…