XiMDCAT XI Complete Chemistry Grand Test#Chemical Kinetics#Rate Law11Choose the best answerUsing the experimental data for 2A + B₂ → 2AB, identify the correct rate law.ARate = k[B₂]²BRate = k[A]²[B₂]CRate = k[A][B₂]DRate = k[B₂] Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Chemical Kinetics#Order of Reaction12Choose the best answerConsider the following rate-law statements: I. SN₁ → Rate = k[R–X] II. SN₂ → Rate = k[R–X][Nu⁻] III. SN₁ → Second order IV. SN₂ → First order Which statements are correct?AI and II onlyBII and III onlyCI, II and IV onlyDI, II, III and IV Like 0 Discuss 0Share
Chemical KineticsStoichiometric Relationship of Reaction Rates13Choose the best answerFor the reaction 2A + B → A₂B, the rate of disappearance of A is:AHalf the rate of disappearance of BBEqual to the rate of disappearance of BCTwice the rate of disappearance of BDEqual to the rate of formation of A₂B Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Chemical Kinetics#Rate Law14Choose the best answerIf a reaction rate does not change with concentration then it is:A3rd orderB2nd orderC1st orderDZero order Like 1 Discuss 0Share
Chemical KineticsEffect of Concentration on Collision Frequency15Choose the best answerIncreasing the concentration of reactants mainly increases:AHeat of reactionBThreshold energyCCollision frequencyDActivation energy Like 0 Discuss 0Share