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- 2. Draw the structures and explain why CH3CH₂O and CH3CO₂ are good nucleophiles but CH3SO3, water, and alcohols (R-OH) are poor nucleophiles. Propose a 'cutoff' for the amount of negative charge needed to be a good nucleophile. CH3CH₂O CH3CO₂ CH3SO3 H₂O CH₂OHWhich of the following could act as a nucleophile? A) HCl B) CH3NH2 C) BF3 D) CH3BrIn a Michael addition, which carbon will the nucleophile add to? H₂C B syd A A B C H
- Rank 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 why quinuclidine is a much more reactive nucleophile thantriethylamine, even though both compounds have N atoms surroundedby three R groups.Which nucleophile would prefer simple addition over conjugate addition? CH3MgBr NaCN CH3CH2NH2 (CH3CH2)2CuLi
- 7. Circle the best substrate for a nucleophilic substitution reaction. OH OCH3 SH CIIdentify the stronger nucleophile in each pair of anions.a. Br- or Cl- in a polar protic solventb. HO- or Cl- in a polar aprotic solventc. HS- or F- in a polar protic solvent1.does acetylsalicylic acid can hydrogen bond witha. itselfb.water2. determine the electrophilic and nucleophilic of acetylsalicylic acid
- e 2. Draw the structures and explain why CH3CH₂O and CH3CO₂ are good nucleophiles but CH3SO3, water, and alcohols (R-OH) are poor nucleophiles. Propose a 'cutoff for the amount of negative charge needed to be a good nucleophile. CH3CH₂O CH3CO₂ CH3SO3 H₂O CH3OH8) Identify the nucleophile and electrophile in each reaction. А. H. O.. CI CI B.In the reaction CH₂O + HCN CH₂CNOH, which species serves as a nucleophile?