Which of the following sets of substituents are all activating groups in electrophilic aromatic substitution reactions? OCH3, OCH3, COCH3 O CI, CN, NO2 O CI, NH2, CH3 O CH3, NH2, OCH A

Assuming nucleophilic substitution reactions will occur, which will produce racemic products? CH;CH,CH(CI)CH3 + NANH, CH3CH2CH(CI) CH3 + CH3S¯Na* CH;CH,CH(CI)CH,CH3 + NH3 O CH;CH2CH(CI) CH3 + CH3OH

ت ا كل وخویه م اکتریار Q6/ Rank the compounds in each group in order of increasing reactivity in electrophilic aromatic substitution. NH NO2 b) O O D

Which of the following compounds is the most reactive in electrophilic aromatic substitution? B C II D IV CI OCH3 CH3 II II IV

Above all, nomenclature-wise, the following compound is a(an) aldehyde alkene ketone aromatic conjugated aromatic ہے

Electrophilic aromatic substitution usually occurs at the 1-position of naphthalene, also called the a position. Predict the major products of the reactions of naphthalene with isobutylene and HF

Draw structures of compounds that fit the following descriptions: a) An , unsaturated ketone, C9H8O b) An diketone c) An aromatic ketone, C9H10O d) A diene aldehyde, C7H8O

A 6-membered heterocycle aromatic ring with two N atoms positioned two carbons apart.   a Pyridine   b Pyrazine   c Purine   d Pyrrole

Rank the following compounds from most reactive to least reactive in an electrophilic aromatic substitution reaction: OCH3 NHCH3 SCH3

Q17 Which of the following statements about aromatic compounds is not true? Aromatic rings are less reactive than comparable linear systems. Deprotonation of cyclopenta-1,3-diene at b carbon-5 produces the aromatic C5H5 anion. Aromatic compounds must obey the Hückel 4n+2 rule. d. Aromatic rings must consist of alternating single and double bonds.