Stoichiometry#Atomic Structure#Isotopes266Choose the best answerHow is the relative atomic mass of an element with several isotopes calculated?AThe mass of the lightest isotope onlyBA weighted average based on isotopic abundanceCThe mass number of the most abundant isotope onlyDThe total number of neutrons Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Macromolecules#Polymers267Choose the best answerBakelite is a polymer of phenol and:AFormaldehydeBEthanolCEtheneDBenzene Like 0 Discuss 0Share
Carboxylic AcidsPreparation by Hydrolysis of Carboxylic Acid Derivatives268Choose the best answerHydrolysis of which compound can produce a carboxylic acid?AAcyl chlorideBEsterCNitrileDAll of these Like 0 Discuss 0Share
Chemical KineticsOverall Order of Reaction269Choose the best answerFor the rate law Rate = k[A]¹ᐟ²[B]³ᐟ², the overall order of reaction is:A1.5B2C3D1 Like 0 Discuss 0Share
StoichiometryMole#Mole Concept270Choose the best answerWhat is the formula mass of an ionic compound called when expressed in grams?AGram atomic massBMolecular massCRelative atomic massDGram formula mass Like 0 Discuss 0Share