XiMDCAT XI Complete Chemistry Grand Test#Chemical Kinetics#Rate Law16Choose the best answerFor Rate = k[A]²[B], what happens to the rate if [A] is doubled and [B] is halved?AHalf of the original rateBEqual to the original rateCTwice the original rateDFour times the original rate Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Chemical Kinetics#Rate Law17Choose the best answerIf a concentration–time curve is steeper near the start, the reaction rate at that time is:AConstantBEquilibriumCGreaterDLesser Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Law18Choose the best answerFor the elementary reaction 2A ⇌ B, the forward reaction rate is proportional to:A[A]B[A]²C[B]D[B]² Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Activation Energy#Chemical Kinetics19Choose the best answerThe activation energy of a reaction is usually: (BUMHS MDCAT 2025)AUnaffected by the process of a catalyst.BLow for the reaction that takes place slowly.CDifferent for the forward and backward reaction.DIncreases with rise in temperature. Like 1 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Rate Law20Choose the best answerA catalyst increases the rate of reaction by: (Sindh MDCAT 2019)Adecreasing the activation energyBdecreasing the concentration of reactantsCdecreasing the temperatureDincreasing the temperature Like 0 Discuss 0Share