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Interpretation:
Whether each step in the given mechanism is reasonable or not is to be determined. An explanation is to be given for any steps that are not reasonable.
Concept introduction:
Reasonableness of a multistep mechanism and the individual steps in it are evaluated on the basis of a few rules. Proton transfer reactions must be compatible with the reaction conditions. Strong acids cannot exist under basic conditions and strong bases cannot exist under acidic conditions. Proton transfer reactions are very fast compared to other reactions, so they can be added at any stage as long as they are compatible with the conditions. An intramolecular proton transfer is generally not reasonable, particularly if the solvent is acidic or basic. In this case, a solvent mediated proton transfer is more likely. Another important rule is related to the number of species that participate in an elementary step. Typically only one or two species react in a given step. Steps containing three or more molecules/ions are extremely rare, and therefore unreasonable. In an
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Chapter 8 Solutions
EBK ORGANIC CHEMISTRY: PRINCIPLES AND M
- The following compounds are major products of an elimination reaction with an alkyl halide. Determine the structure of the alkyl halide and write the overall reaction mechanism. Determine the minor and major products.arrow_forwardDraw out the mechanism to explain this reaction and predict the products that will resultarrow_forwardWhat is the mechanism of the second step?arrow_forward
- 2- Write step-by-step mechanism for the following reaction: Cul R1 но .*...... ....... ........arrow_forwardDetermine the first step of this mechanism.arrow_forward17. 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.arrow_forward
- After running various experiments, you determine that the rate law for the following reaction has a first-order dependence on the concentration of the alkyl halide, and doesn't depend on the concentration of the other reactant at all. Br + H₂O + H30* + Br Using this information, draw the correct mechanism in the space below. Br Add/Remove step X G Click and drag to start drawing a structure.arrow_forwardHow many steps in the mechanism of this reaction?arrow_forwardWhat would be the reactant in the following reaction sequence?Explain the mechanism.arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningOrganic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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