Fundamental Principles of Organic ChemistryRetained IUPAC Names1496Choose the best answerWhich is a retained IUPAC name?AAnilineBNitrobenzeneCBenzamideDBenzaldehyde Like 0 Discuss 0Share
Stoichiometry 11#Atomic Structure#Isotopes1497Choose the best answerWhy is carbon-12 used as the standard for defining atomic mass unit?ABecause carbon is the lightest element.BBecause carbon is present in all compounds.CBecause carbon-12 is radioactive.DBecause carbon-12 is a stable and common isotope with a definite mass. Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Knocking1498Choose the best answerWhich statement is correct?AHigh-octane petrol resists auto-ignition.BKnocking improves engine performance.CDiesel quality is measured by octane number.DAnthracite has the lowest carbon content. Like 0 Discuss 0Share
StoichiometryMole Concept1499Choose the best answerWhich statement is NOT correct about one mole?AIt is a counting unitBIts molar mass can be expressed in gramsCIt contains approximately 6.022 × 10²³ specified entitiesDIt contains a different number of particles for different substances Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryWöhler Synthesis and Rejection of Vital Force Theory1500Choose the best answerWhich experiment first provided strong evidence against the Vital Force Theory?ADiscovery of methaneBSynthesis of urea by WöhlerCDiscovery of benzeneDPreparation of nylon Like 0 Discuss 0Share