Aldehydes and KetonesReactivity Toward Nucleophilic Addition1046Choose the best answerThe correct increasing order of reactivity toward nucleophilic addition is:AButanone < Propanone < Propanal < EthanalBButanone > Propanone > Propanal > EthanalCButanone < Propanal < Propanone < EthanalDPropanal < Propanone < Ethanal < Butanone Like 0 Discuss 0Share
Fundamental Concepts of ChemistryChemical Changes1047Choose the best answerA chemical change results in:ALoss of matterBFormation of a solution onlyCChange of physical state onlyDFormation of one or more new substances Like 0 Discuss 0Share
Periodic TableSuccessive Ionization Energies1048Choose the best answerWhy is the second ionization energy of Mg greater than its first ionization energy?ANuclear charge increases after first ionization.BIonic radius increases.CThe remaining electrons experience stronger nuclear attraction.DThe number of protons decreases. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryHydrocarbons and Their Derivatives1049Choose the best answerWhich conversion produces a hydrocarbon derivative?ACH₄ → CH₃ClBC₂H₆ → C₃H₈CC₂H₄ → C₂H₂DC₆H₆ → C₆H₆ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryBuckminsterfullerene C₆₀1050Choose the best answerA C₆₀ molecule contains:A12 pentagons and 20 hexagonsB20 pentagons and 12 hexagonsC6 pentagons and 6 hexagonsDHexagons only Like 0 Discuss 0Share