Chemical Kinetics questions
1373 published questions with worked solutions.
- A first order reaction takes 16 minutes for its 50% completion. What fraction that would react in 32 minutes from the beginning?
- Identify a type of order of reaction that its unit of rate constant is mol dm^ -3 s^ -1 from the following
- In first order reaction, 20 % concentration remains after 10 min. What would be the rate constant of reaction if _ 10 (5) =...
- For the reaction, A + B P .the rate law is rate = k[A][B]^2. The rate of reaction is 0.25 Ms^ -1 when [A] = 1M, [B] = 0.2 M at...
- For the reaction CH_3Br_ (aq) + OH^-_ (aq) CH_3OH_ (aq) + Br^-_ (aq) , The rate law is rate = k [ CH_3Br ][ OH^- ]. What is...
- Which from following statements about rate constant is NOT true?
- For the reaction 2A + 2B 2C + D , the rate law is expressed as rate = k [ A ]^2 ,[ B ]. Calculate the rate constant if rate of...
- Find the rate of formation of NO_ 2(g) in the following reaction. 2 N_2O_ 5(g) 4 NO_ 2(g) + O_ 2(g) [ -d[ N_2O_5 ] dt = 0.02 mol...
- Calculate the rate constant of the first order reaction if 20% of the reactant decomposes in 15 minutes
- Which from following is the slope of the graph of [A]_t versus time for zero order reaction?
- The rate law for the reaction A + B product is rate = k [A] [B]. When will the rate of reaction increases by factor two?
- What is the value of rate constant for first order reaction if slope for the graph of rate versus concentration is 2.5 x 10^ -3
- Calculate the rate constant of the first order reaction if 80% of the reactant decomposes in 60 minutes.
- Find the rate law for the reaction, CHCl_ 3(g) + Cl_ 2(g) CCl_ 4(g) + HCl_ (g) if order of reaction with respect to CHCl_ 3(g) is...
- The rate for reaction 2A + B product is 6 10^ -4 mol dm^ -3 s^ -1 . Calculate the rate constant if the reaction is first order in...
- Which from following catalyst is used in decomposition of KClO_3 ?
- Calculate half life of first order reaction if rate constant of reaction is 2.772 10^ -3 s^ -1 .
- For the reaction 2A 3C + D, the rate of reaction is represented by
- What is the role of catalyst in catalytic reaction ?
- The rate of reaction A + B P is 4 10^ -2 mol dm^ -3 s^ -1 When [A] = 0.2 mole dm^ -3 and [B] = 0.1 mole dm^ -3 , What is the rate...
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