Chemical Kinetics questions
1373 published questions with worked solutions.
- The rate of a certain reaction is given by, rate = k[H^+]^n. The rate increases 100 times when the pH changes from 3 to 1. The...
- For the elementary reaction M N, the rate of disappearance of M increases by a factor of 8 upon doubling the concentration of M....
- The initial rate, - d[A] dt at t = 0 was found to be 2.6 10^ -2 mol ,L^ -1 ,s^ -1 for the reaction A + 2B products. The initial...
- The half-life of a reaction is halved as the initial concentration of the reaction is doubled. The order of the reaction is
- The half-life of two samples are 0.1 and 0.4 seconds. Their respective initial concentration are 200 and 50, respectively. What...
- A first order reaction is 60% complete in 20 min. How long will the reaction take to be 84% complete?
- An organic compound undergoes first order decomposition. The time taken for its decomposition to 1/8 and 1/10 of its initial...
- The reaction 2NO + Br_2 2NOBr, obey the following mechanism, NO + Br_2 Fast NOBr_2 NOBr_2 + NO Slow 2NOBr The rate expression of...
- Inversion of a sugar follows first order rate equation which can be followed by noting the change in rotation of the plane of...
- The unit of the rate constant for first order reaction is
- If concentration of reactant 'A' is increased by 10 times the rate of reaction becomes 100 times. What is the order of reaction,...
- A first order reaction has rate constant 1 10^ -2 s^ -1 . What time will, it take for 20 g of reactant to reduce to 5 g ? [MHTCET...
- A first order reaction has a rate constant 0.00813 min^ -1 . How long will it take for 60% completion? [MHTCET 2021]
- For first order reaction the concentration of reactant decreases from 0.2 to 0.1M in 100 minutes. What is the rate constant of...
- A first order reaction is 25% completed in 40 minutes. What is the rate constant k for the reaction? [MHTCET 2020]
- For the elementary reaction 2SO_2(g) + O_2(g) 2SO_3(g), identify the correct among the following relations [MHTCET 2019]
- Which among the following reaction is an example of a zero order reaction. [MHTCET 2019]
- For a chemical reaction rate law is, rate = k[A]^2[B]. If [A] is doubled at constant [B], the rate of reaction [MHTCET 2019]
- The integrated rate equation for first order reation, A product, is [MHTCET 2019]
- For the elementary reaction, 3H_2(g) + N_2(g) 2NH_3(g) identify the correct relation among the following relations : [MHTCET 2019]
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration