Chemical KineticsActivation Energy and Temperature Dependence46Choose the best answerIf the activation energy of a reaction is zero, its rate constant is:AStrongly increased by temperatureBDecreased by increasing temperatureCDecreased by decreasing temperatureDApproximately independent of temperature Like 0 Discuss 0Share
Chemical KineticsActivated Complex47Choose the best answerIn the pathway Reactants → Activated complex → Products, the activated complex has:AThe lowest energyBThe highest energyCThe same energy as the productsDThe same energy as the reactants Like 0 Discuss 0Share
Chemical KineticsPromoters and Activators48Choose the best answerA substance that increases the activity of a catalyst is called:AActivatorBPromoterCCatalyst poisonDBoth A and B Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Chemical Kinetics#Rate Law49Choose the best answerFor the elementary reaction: aA + bB → cC + dD the rate equation is:ARate = k[A][B]BRate = k[A]ᵃ[B]ᵇCRate = k[A]ᵃDRate = k[B]² Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Chemical Kinetics#Order of Reaction50Choose the best answerWhat is the order of reaction if the unit of K is sec⁻¹? (MDCAT 2023)AOneBTwoCThreeDZero Like 0 Discuss 0Share