For the reacHon below, draw a step-by-Step mechanism (ar rOus men drawa reachon COordinate diagram for the reacion mechanism as well as ně struchare of he transHlon State for the first Step in the mechonism consiotnt with the Hammond postulate: Ho Br CH SCH2OH + HBr
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- Mechanism: A reaction mechanism for the following reaction is shown below. H+ CEN CEN: N-H || -C-OH H₂O, H* Step 1 wand woled mot ozsm E Step 3 N-H C-OH C=N-H Step2 C=N-H H-O-H H₂O motno vgiene fesrigid onlt to smotnos -C=N-H a) The overall reaction is an example of b) Step 1 is c) Step 3 is d) Draw in the curved arrows for each step. e) Identify the nucleophiles and electrophiles where appropriate. f) Fill in the reaction energy diagram. H₂O: rate determining step to noipojovo hamwell sit 5(emise erit voittons 10) vanas mi sdgin al rainW di of E^ reaction progress →what is missing to comprete the tho reactian patnuay below? HO 1) OH 2)2) mny Starting mater 1al and product. Provide condihons for a reaction when givern I. 3) HH
- NBS RO-OR 1) BH3/THF 2) NaOH/ROOR HOBSMO enexerloloyalyitemint-S.tt Jserl H3O*(aq) O 8T-OWhich of the following species has the most stoble anion? Consider the free energy profile for the transformation A to 0 ye on Dut of me overot reoction is endergonic andoemic evergone Refer to the following reaction mechanism slow CH, C-OCH fast CH-C OCH, OH CH,0 OH fast CH,C-O CH,OH The least stoble transition staote has which structure 8- A. CH-C-OCH3 B. CH, C OCH, C. CH, C-OCH, D. CH, C,OCH OH OHThe clecona position of nitramide. ) Solutionat 25°C in.ayueous. NH2NO2 la)- has the Follacing reahonship between rate and concentrahionwhere the bracket anund thse formula indicates concentration and K is a Constant caled the rate constant. hate K [NH2NO2] IF the value of Kis l6.49x10s-1 rate of the reaction when MH,NO=0.3016M? -5 what is the Ms-
- 4. Outline a detailed mechanism for the reaction below. Identify the abbreviation for the reaction mechanism. НО H3PO431. Which mechanism is correct for the following intramolecular substitution reaction? (a) (b) (c) 4- H-N H H N: H H₂N N: он --مرح CI CI CI H H CI N: NaOH N: CI *H :OH -- NH NH CNH на он NH NHDescribe the mechanism of the following reaction. 1) H2N NH2 (excess) SH SH `CO2H AcO 2) КОН 3) H +
- Which of the following would be the major product of this reaction? Br t ㅅ H 1 OIV O ||| O II Hint Save for Later Kot-Bu II ||| t IVThe following figure shows the energy profile of a nucleophilic substitution reaction. Potential energy :ÖH H HII.C H C-1 H HO--C---I HH Reaction coordinate H -CH HO–CHITH H + 1 According to this, it is correct to affirm: O The activation energy (4G°) shows that it is thermodynamically favorable. O Represents a reaction that occurs in one step where a pentavalent chemical species is formed. O The intermediate has lower energy than any transition state. O The formation of the intermediate releases energy and is therefore thermodynamically favourable.owing reactions proceeds via an SN1 or SN2 of the reaction: (b) S2 pro85 39 Br tort atubong auonsV HMPAnoitutitadua