Chem 210 Final Exam
Br2, AlBr3 or FeBr3 - correct answer Installation of a bromine atom on an aromatic ring. Br+ is the electrophile HNO3, H2SO4 - correct answer nitration of benzene (NO2). NO2+ is the electrophile H2SO4 or SO3/H2SO4 - correct answer sulfonation of a benzene. HSO3+ is the electrophile Friedal-crafts alkylation of benzene - correct answer C w/ 3 alkyl groups, LG + LA or C w/ 3 alkyl groups, OH + H2SO4 or C w/ 2 alkyl groups, double bond + H2SO4 3' carbocation is the electrophile. Friedal-Crafts Acylation - correct answer RCOCl + AlCl3 (LA) or anhydroxide +LA R-C+--O is electrophile (resonance) HSO3 - correct answer strong EWG, meta director, slowest NO2 - correct answer strong EWG, meta director, slowest CN - correct answer strong EWG, meta director, slowest ketone - correct answer strong EWG, meta director, slowest ester - correct answer strong EWG, meta director, slowest X- (halogens) - correct answer weak EWG, ortho/para director, slow CF3 - correct answer weak EWG, meta director, slow NH3+ - correct answer weak EWG, meta director, slow Ph- - correct answer weak EDG, ortho/para director, fast
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