Fundamental Principles of Organic ChemistryOctane Number and Knocking146Choose the best answerKnocking in petrol engines can be reduced by:ACyclisationBBranchingCAromatisationDAll of these Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryHomologous Series147Choose the best answerWhich statement best defines a homologous series?AMembers have the same molecular formula.BMembers have the same functional group and successive members differ by CH₂.CMembers have the same empirical formula.DMembers have identical physical properties. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Aldehydes and Ketones148Choose the best answerWhich pair is correctly matched?AAcetaldehyde — PropanalBAcetaldehyde — MethanalCAcetaldehyde — EthanalDAcetaldehyde — Butanal Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Carboxylic Acids149Choose the best answerThe IUPAC name of succinic acid is:AButanedioic acidBPentanedioic acidCHexanedioic acidDEthanedioic acid Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Phenols150Choose the best answerThe IUPAC name of pyrogallol is:ABenzene-1,2,3-triolBBenzene-1,3,5-triolCBenzene-1,2,4-triolDCyclohexane-1,2,3-triol Like 0 Discuss 0Share1