(a)
Interpretation:
In the given
Concept introduction:
The overall reactants do not appear on the product side of any step in the reaction mechanism. The overall products do not appear on the reactant side of any step in the reaction mechanism. The intermediate is the product of one step and reactant of another.
(b)
Interpretation:
The overall reaction for the given
Concept introduction:
The overall reaction is the sum of all elementary steps in the reaction mechanism. The overall reactants and overall products appear in the overall reaction whereas the intermediates gets cancel out and does not appear in the overall reaction.
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Organic Chemistry: Principles and Mechanisms (Second Edition)
- The mechanism for the reaction of CH3OH andHBr is believed to involve two steps. The overallreaction is exothermic.Step 1: Fast, endothermicCH3OH + H+ uv CH3OH2+Step 2: SlowCH3OH2+ + Br− n CH3Br + H2O(a) Write an equation for the overall reaction.(b) Draw a reaction coordinate diagram for thisreaction.(c) Show that the rate law for this reaction isRate = k[CH3OH][H+][Br−].arrow_forwardDraw the mechanism for the equilibrium illustrated below. What is the process called? Is the Keq >1, <1, =1 for this reaction as illustrated. Is the equilibrium direction dictated by thermodynamics or kinetics? Explain your rationale in detail.arrow_forwardThe reaction shown here, which is discussed in Chapter 10, consists of the two elementary steps shown. For each step (i and ii), (a) identify all electron-rich sites and all electron-poor sites, (b) draw in the appropriate curved arrows to show the bond formation and bond breaking that (i) H3C OOH H3C НО occur, and (c) name the elementary step. (ii) H3C H3C OH Н-о—н + НО НОarrow_forward
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- 6. Which of the following expressions is representative of the rate law for a Sy2 reaction ? 'N² k [electrophile] (b) Rate =k [electrophile] [nucleophile] (d) Rate = k[electrophile]? (a) Rate = (c) Rate =k [nucleophile]2arrow_forward(Q93) Which of the following best describes how a catalyst speeds up the rate of a reaction? O By decreasing the activation energy required to form the transition state O By decreasing the enthalpy difference between products and reactants O By removing the transition state Through acting as a supplemental reaction substrate O By ensuring that the reactant molecules do not collidearrow_forward(a) When 3-bromo-2,3-dimethylpentane, (CH3)CH2CBr(CH3)CH2CH 3, reacts with aqueous potassiumhydroxide, an alcohol is formed.(i) Name the type of reaction taking place and give the role of the reagent.Type of reaction ...............................................................................................Role of reagent .................................................................................................(ii) Outline a mechanism for the reaction, showing clearly the structure of the alcohol formed. (b) When 3-bromo-2,3-dimethylpentane reacts with ethanolic potassium hydroxide, three structurallyisomeric alkenes are formed.(i) Name the type of reaction taking place and give the role of the reagent.Type of reaction ...............................................................................................Role of reagent .................................................................................................(ii) One of the reaction products is…arrow_forward
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