Fundamental Principles of Organic ChemistryCommon Names of Aromatic Compounds66Choose the best answerDurene is the common name of:A1,2,3-TrimethylbenzeneB1,2,4,5-TetramethylbenzeneC1,3,5-TrimethylbenzeneDPentamethylbenzene Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryMeso Compounds and Internal Compensation67Choose the best answerA meso compound is optically inactive because of:AExternal compensationBInternal compensationCAbsence of carbon atomsDResonance Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryIntroduction to Organic Chemistry68Choose the best answerUrea is formed in the body mainly during the breakdown of:ALipidsBProteinsCCarbohydratesDFats Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCoal Tar69Choose the best answerCoal tar contains important aromatic compounds such as:ABenzene onlyBBenzene and phenol onlyCPhenol and naphthalene onlyDBenzene, phenol and naphthalene Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking70Choose the best answerA high octane number is generally associated with:AStraight-chain hydrocarbonsBBranched-chain hydrocarbonsCHigh sulfur contentDHigh moisture content Like 0 Discuss 0Share