MDCAT Chemistry Paper 2025#Chemical Kinetics#Rate Constant66Choose the best answerK is called specific rate constant because it is: (IBA MDCAT 2025)ARate per unit concentrationBTemperature independentCDepends on concentrationDUnitless Like 0 Discuss 0Share
Chemical kinetics #Rate Law67Choose the best answerFor 2A + B → products, the experimental rate law is Rate = k[A][B]. Which statement is correct?AThe reaction is elementary.BThe reaction is first order with respect to A.CThe stoichiometric coefficient of A must be 1.DThe overall order of the reaction is 3. Like 0 Discuss 0Share
Chemical KineticsFactors Affecting Reaction Rate68Choose the best answerDifferent reactants may react at different rates because of differences in their:AStructureBNature of bondingCPhysical stateDAll of the above Like 0 Discuss 0Share
Chemical KineticsUnits of Rate Constant69Choose the best answerWhich statement is correct?AReaction rate and first-order rate constant always have the same units.BIn every pseudo-order reaction, rate equals the rate constant.CThe unit of the rate constant depends on the overall order of reaction.DEvery photochemical reaction is first order. Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Chemical Kinetics#Rate Law70Choose the best answer2A + B → 3C + D which of the following does not express the reaction rate?A-d[B]/dtBd[D]/dtC-½ d[A]/dtD-⅓ d[C]/dt Like 1 Discuss 0Share