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Will the following bases favor an E1 or E2 mechanism?
H2O, CH3CO2^-, tBuO^-, CH3CH2OH, -NH2, NaH
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- How does changing the base from −OH to H2O affect the rate of an E2 reaction?Which N in DBU compound acts to accept a proton in an E2 reaction and why?The SN2 reaction shows a reversible mechanism when the basic strength nucleophile and leaving group are similar, but not when the strength of the nucleophile as a base is greater than that of the leaving group. Explain.
- In an E1 reaction the solvent acts as a(n) ___________. reactive intermediate nucleophile proton donor base source of the added ether groupFor each statement below, label it as causing a faster or slower rate for an E1 reaction. If it doesn’t effect rate at all then label it as neither. Stronger base Increase base concentration Switch leaving group from Cl to I Switch leaving group from 2˚ to 3˚What is the best way to remeber the differences between Sn1, Sn2, E1 and E2 reations?
- In Image 4 predict the effect the substituent attached to the benzene ring would have on electrophilic aromatic substitution reactions? a.ortho/para director, deactivator b.ortho/para director, activator c.meta director, activator d.meta director, deactivatorRank the nucleophiles in each group in order of increasing nucleophilicity.a. -OH, -NH2, H2Ob. -OH, Br-, F- (polar aprotic solvent)c. H2O, -OH, CH3CO2-Explain the strength of the base usually determines whether a reaction follows the E1 or E2 mechanism ?
- Which rearrangement product will form preferentially during the [1,2]-rearrangementof an R-group? Motivate.Carboxylic Acid Draw complete electron flow mechanisms for the following reactions.Indicate for each species below whether it is a strong acid, a strong nucleophile, both, or neither: HClH2SO4Na2SO4