Indicate, by letter(s), the position(s) on the ring at which substitution occurs when the aromatic compounds shown undergo bromination with Br2, FeBr3 (when necessary). Ph 8: CN & a CN
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- Rank the following groups in order of their ability to activate an aromatic compound to electrophilic aromatic substitution.Will the oxirane formed in either sequence rotate the plane of polarized light? Explain.Indicate whether each of the following molecules is aromatic (A), anti-aromatic (R) or non-aromatic (N).
- Indicate the following statement as true/false. Some of the groups pre-bonded to an aromatic ring cause electrophilic aromatic substitution to occur mainly at the ortho and para sites. Others lead to the meta location. RightFalseRank the following from most to least reactive in Electrophilic Aromatic Substitution (EAS).Label attached compound as more or less reactive than benzene in electrophilic aromatic substitution.
- Which of these isomers of trimethylbenzene will produce exclusively one monobrominated product when treated with Br2 and FeBr3? Explain.Chemistry Please help explain this textbook question: Although N, N -dimethylaniline is extremely reactive toward electrophilic aromatic substitution and is readily substituted by weak electrophiles, such as diazonium and nitronium ions, this reactivity is greatly diminished by the introduction of an alkyl substituent in an ortho position.For each horizontal row of substituted benzenes, indicatea. the one that is the most reactive in an electrophilic aromatic substitution reaction.b. the one that is the least reactive in an electrophilic aromatic substitution reaction.c. the one that yields the highest percentage of meta product in an electrophilic aromatic substitution reaction.
- When naphthalene undergoes an irreversible electrophilic aromatic substitution, such as a Friedel–Crafts acylation, the major product is the kinetic product,which proceeds through the most stable arenium ion intermediate. InSection 23.7, we mentioned that substitution is generally favored at the αposition over the β position, which means that the arenium ion is more stable when the electrophile attaches to the α position. Explain this difference in arenium ion stabilities. Hint: Draw out allresonance structures for each arenium ion intermediate. Does each one have the same number of resonancestructures? How many resonance structures of each intermediate preserve the aromaticity?Identify the ring which is more reactive towards electrophilic aromatic substitution.Arrange the compounds in set in order of decreasing reactivity (fastest to slowest) toward electrophilic aromatic substitution.