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Aromaticity: Quiz

  

Question 1: Key ________ of commercial interest are benzene, toluene, ortho-xylene and para-xylene.
NaphthaleneElectrophilic aromatic substitutionAromatic hydrocarbonAromaticity

Question 2: Because the twist can be ________ or right-handed, the resulting Möbius aromatics are dissymmetric or chiral.
French languageSpanish languageGerman languageLeft-handedness

Question 3: Aromatic properties are tested to the limit in a class of compounds called ________.
BenzeneCyclophaneAlkeneAlkyne

Question 4: The circulating π electrons in an aromatic molecule produce ring currents that oppose the applied magnetic field in ________.
NMR spectroscopyAtomStable nuclideNuclear magnetic resonance

Question 5: Aromatic compounds undergo ________ and nucleophilic aromatic substitution reactions, but not electrophilic addition reactions as happens with carbon-carbon double bonds.
Electrophilic aromatic substitutionAmineBenzeneAromatic hydrocarbon

Question 6: Three aromatic amino acids phenylalanine, ________, and tyrosine, each serve as one of the 20 basic building blocks of proteins.
DimethyltryptamineTryptophanSerotoninLysine

Question 7: In ________, the structures of some rings of atoms are unexpectedly stable.
Polymer chemistryOrganic chemistryBiochemistryInorganic chemistry

Question 8: Aromaticity is found in ions as well: the cyclopropenyl cation (2e system), the cyclopentadienyl anion (6e system), the tropylium ion (6e) and the ________ dianion (10e).
TolueneDimethoxyethaneCyclooctatetraeneBenzene

Question 9: ________ are molecules containing two or more simple aromatic rings fused together by sharing two neighboring carbon atoms (see also simple aromatic rings).
Polycyclic aromatic hydrocarbonHigh-fructose corn syrupLead poisoningFormaldehyde

Question 10: First, his "affinity" is better known nowadays as the electron, which was only to be discovered seven years later by ________.
Marie CurieJ. J. ThomsonWilliam Henry BraggJohn Strutt, 3rd Baron Rayleigh
















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