Chemical KineticsDetermination of Rate Law6Choose the best answerDoubling [A] makes the rate four times larger, while doubling [B] makes it twice as large. The rate law is:ARate = k[A][B]BRate = k[A]²[B]CRate = k[A]²[B]²DRate = k[A][B]² Like 0 Discuss 0Share
Chemical KineticsInhibitors and Reaction Rate7Choose the best answerEthyl alcohol is commonly added as a stabilizer to inhibit the oxidation of:APotassium chlorateBChloroformCH₂O₂DSodium chloride Like 0 Discuss 0Share
Chemical KineticsStoichiometric Relationship of Reaction Rates8Choose 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
Chemical KineticsEffect of Concentration on Collision Frequency9Choose the best answerIncreasing the concentration of reactants mainly increases:AHeat of reactionBThreshold energyCCollision frequencyDActivation energy Like 0 Discuss 0Share
Chemical KineticsEnergy Profile and Enthalpy Change10Choose the best answerIn an energy profile, the energy of products is E₂ and the energy of reactants is E₃. Which relation is correct?AA catalyst changes ΔH.BA catalyst changes the energies of reactants and products.CΔH = E₂ − E₃DA catalyst converts an endothermic reaction into an exothermic reaction. Like 0 Discuss 0Share