Chemistry Reaction Kinetics Test Online Mcqs Preparation Chemistry Reaction Kinetics Test Online Mcqs Preparation With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. The reaction that involves gases, its rate does not depend uponA. TemperatureB. Moles dm-3C. CatalystD. Partial pressureQuestion 1 of 15 Loading... Question 2 of 15 2. The influence of temperature on reaction rate is predicted byA. Vander waal’ equationB. Free energy change of reactionC. Kinetic equationD. Arrhenius equationQuestion 2 of 15 Loading... Question 3 of 15 3. The half life time for a 1st order decomposition of a substance dissolved in CCl4 is 2.5 hours at 30°C. The amount of substance left after 10 hours if the initial weight of the substance is 160g:A. 10B. 5gC. 20gD. 15gQuestion 3 of 15 Loading... Question 4 of 15 4. The 2nd order reaction becomes 1st when:A. None of the reactants is in large excessB. One of the reactants is in large excessC. One of the reactants is limitingD. One of the reactant is acidicQuestion 4 of 15 Loading... Question 5 of 15 5. The unit of rate constant depends on?A. Number of reactantsB. Order of reactionC. Molecularity of reactionD. Concentration termsQuestion 5 of 15 Loading... Question 6 of 15 6. If 75% of any given amount of radioactive element disintegrates in 60 min. The half life of radioactive element is.A. 30 minB. 45 minC. 20 minD. 25 minQuestion 6 of 15 Loading... Question 7 of 15 7. The mathematical relation between the rate of reaction and the concentrations of the reactants is known as theA. Rate lowB. Arrhenius equationC. Both a and cD. Rate equationQuestion 7 of 15 Loading... Question 8 of 15 8. The unit of rate constant of second order reaction is:A. sec-1B. mol-2 dm+6C. mol dm-3 sec-1D. mol-1 dm+3 sec-1Question 8 of 15 Loading... Question 9 of 15 9. The rate expression for a reaction A+B → products is rate = k [A]2/3 [B]-1/2 the order of reaction isA. 1B. 0C. 3/2D. 5/2Question 9 of 15 Loading... Question 10 of 15 10. When the concentration of reactant in the reaction is increased by 8 times, the rate increased only by 2 times. The order of reaction isA. 1B. ½C. 2D. 1/3Question 10 of 15 Loading... Question 11 of 15 11. A catalyst can:A. Accelerate the reaction rateB. Retard the reaction rateC. Chemically un-consumed at the end of the reactionD. All of the aboveQuestion 11 of 15 Loading... Question 12 of 15 12. The rate of reaction is doubled for every 10°C rise in temperature. The increase in reaction rate as a result of temperature rise from 10°C to 100°C is:A. 112B. 400C. 512D. 614Question 12 of 15 Loading... Question 13 of 15 13. The half life period of zero order reaction is equal toA. 1/KaB. 0.693/KC. a/2D. 1.5/Ka2Question 13 of 15 Loading... Question 14 of 15 14. Ea appears as a potential energy hill between _________ for carrying out the reaction:A. None of the aboveB. Reactants and the productsC. Among the reactantsD. Among the productsQuestion 14 of 15 Loading... Question 15 of 15 15. For a chemical reaction to occurA. The vessel shall be openB. The reacting molecules must not collide with each otherC. Reacting molecules must be properly oriented and energy more than or equal to EaD. Reacting molecules should have less energy than Ea at time of collisionQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Chemistry Test Online PreparationASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlineOnline ECAT Test Preparation McqsPPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineSPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject WiseIB Pakistan NTS Jobs 2025 Online Test Preparation McqsMDCAT Test Preparation Online Related Syllabus Mcqs