XiMDCAT XI Complete Chemistry Grand Test#Chemical Kinetics#Rate Law6Choose 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 Law7Choose 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 Law8Choose 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
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Rate Law9Choose 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
Chemical equilibrium 01Chemical equilibrium #Chemical Kinetics#Rate Law10Choose the best answerFor the elementary reaction aA + bB ⇌ cC + dD, the forward rate is:ARf = kf[C]ᶜ[D]ᵈBRf = kf[A]ᵃ[B]ᵇCRf = kr[A]ᵃ[B]ᵇDRf = kf[A][B] Like 0 Discuss 0Share