MDCAT Chemistry Paper 2025#Chemical Kinetics#Instantaneous Rate46Choose the best answerAt start of reaction: (IBA MDCAT 2025)AAverage rate is highBInstantaneous rate is highCBoth rates are sameDBoth rates are slow Like 3 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Order of Reaction47Choose the best answerWhat is the order of the following reaction (2NO + O₂ → 2NO₂): (Sindh MDCAT 2019)A0B1C2D3 Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Activation Energy#Chemical Kinetics48Choose the best answerThe formation of activated complex in a reaction is: (IBA MDCAT 2025)AExothermic processBEndothermic processCEither endo or exoDAlways energy released Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Activation Energy#Chemical Kinetics49Choose the best answerWhich statement is correct for the energy-profile graph shown?AThe activation energy of the forward reaction is E₁ + E₂ and the product is more stable than the reactant.BThe activation energy of both forward and backward reactions is E₁ + E₂ and the reactant is more stable than the product.CThe activation energy of the backward reaction is E₁ and the product is more stable than the reactant.DThe activation energy of the forward reaction is E₁ + E₂ and the product is less stable than the reactant. Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemical Kinetics#Order of Reaction50Choose the best answerFor the chemical reaction 2HI → H₂ + I₂, what is the order of the reaction? (MDCAT Reconduct 2023)AThird orderBFirst orderCSecond orderDZeroth order Like 0 Discuss 0Share