Fundamental Principles of Organic ChemistryCommon and IUPAC Names of Hydrocarbons61Choose the best answerWhich sequence is entirely correct?AIsobutylene → 2-Methylpropene; Isoprene → 2-Methylbuta-1,3-diene; Vinyl acetylene → But-1-en-3-yneBIsobutylene → But-1-ene; Isoprene → Penta-1,3-diene; Vinyl acetylene → But-2-yneCIsobutylene → But-2-ene; Isoprene → Pent-2-ene; Vinyl acetylene → But-1-yneDIsobutylene → 2-Methylbut-1-ene; Isoprene → 3-Methylbuta-1,3-diene; Vinyl acetylene → Buta-1,3-diene Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryMeso Form of Tartaric Acid62Choose the best answerWhich compound has optically active stereoisomers as well as a meso form?AEthanolBLactic acidCTartaric acidDAcetic acid Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryRacemic Mixture and External Compensation63Choose the best answerA racemic mixture is optically inactive because of:AAbsence of chiral moleculesBExternal compensationCInternal compensationDResonance Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryTetravalency of Carbon64Choose the best answerTetravalency of carbon means that:ACarbon usually forms four covalent bonds.BCarbon normally exists as C⁴⁺ in organic compounds.CCarbon cannot bond with oxygen.DCarbon forms only single bonds. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryHomologous Series65Choose the best answerWhich statement about a homologous series is incorrect?AMembers have the same functional group.BMembers show similar chemical properties.CConsecutive members differ by CH₂.DMembers have identical physical properties. Like 0 Discuss 0Share