Fundamental Principles of Organic ChemistryOctane Number and Knocking1276Choose the best answerA high octane number is generally associated with:AStraight-chain hydrocarbonsBBranched-chain hydrocarbonsCHigh sulfur contentDHigh moisture content Like 0 Discuss 0Share
SolidsPolymorphism1277Choose the best answerThe existence of a substance in multiple crystalline forms is called:AAmorphismBIsomorphismCPolymorphismDIsomerism Like 0 Discuss 0Share
Carboxylic AcidsHydrogen Bonding and Dimerization1278Choose the best answerAcetic acid exists as a dimer in benzene because of:ACondensationBThe presence of the –COOH group onlyCThe presence of α-hydrogen atomsDIntermolecular hydrogen bonding Like 0 Discuss 0Share
Basic Concepts of ChemistryElements, Compounds and Mixtures1279Choose the best answerWhich of the following is a compound?AAirBCarbonCOxygenDSteam Like 0 Discuss 0Share
Alcohols and PhenolsDehydration of Alcohols1280Choose the best answerWhich alcohol undergoes acid-catalysed dehydration most readily?AMethanolBEthanolCPropan-2-olDtert-Butanol Like 0 Discuss 0Share