Fundamental Principles of Organic ChemistryHyperconjugation81Choose the best answerWhich statement about hyperconjugation is correct?AIt stabilizes carbocations and carbon radicals.BIt strongly stabilizes simple alkyl carbanions.CIt destabilizes carbocations only.DIt has no effect on carbon intermediates. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryStructural and Stereoisomerism82Choose the best answerWhich pair does NOT represent structural isomers?ABut-1-ene and But-2-eneBPentane and NeopentaneCEthanol and Dimethyl etherDMaleic acid and Fumaric acid Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryKeto-Enol Tautomerism83Choose the best answerWhich compound cannot undergo ordinary keto-enol tautomerism?AAcetaldehydeBAcetoneCFormaldehydeDAcetylacetone Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryBuckminsterfullerene C₆₀84Choose the best answerWhich allotrope of carbon consists of discrete cage-shaped molecules?ADiamondBGraphiteCBuckminsterfullereneDCoal Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryGeneral Properties of Organic Compounds85Choose the best answerWhich property is typical of many organic compounds?AHigh melting points and ionic latticesBCovalent bonding with relatively low melting and boiling pointsCComplete ionisation in waterDHigh electrical conductivity in the molten state Like 0 Discuss 0Share