Chemical Kinetics questions
1373 published questions with worked solutions.
- A zero order reaction has half life time of 0.2 minute. If initial concentration of reactant is 0.2 mol dm^ -3 . Find rate...
- Which of the following is an example of second order reaction?
- In first order reaction 20 millimole of reactant is reduced to 10 millimole in 1.151 minute. Find rate constant.
- For the reaction 2 NOBr_ (g) 2 NO_ (g) + Br_ 2(g) rate law is r=k[ NOBr ]^2, if rate constant is 1.62 mol ,dm^ -3 s^ -1 and...
- What is the term used for the minimum kinetic energy required for the reactant molecules to undergo reaction?
- Half life of zero order reaction is 1 hour. If initial concentration of reactant is 2.0 mol L^ -1 , find the time required to...
- Which from following catalysts is used in contact process of industrial production of sulfuric acid using SO_2 and O_2 (air)
- For a reaction A product, k = 2 10^ -2 s^ -1 . If the initial concentration of A is 1 0 mol dm^ -3 find the value of 1 [ A ]_t...
- Which of the following is an example of fractional order reaction ?
- Which of the following reactions has overall order 1.5 ?
- For the reaction 2NOBr_ (g) 2NO_ (g) + Br_ 2(g) , rate law is r = k[ NOBr ]^2. Rate constant is 1.62 M^ -1 s^ -1 and...
- In a first order reaction 20 millimole of reactant is lowered to 10 millimole in 0.3010 minute. Find rate constant of the...
- Which from following is a correct representation of reaction rate for reaction stated below? N_ 2(g) + 3H_ 2(g) 2 ,NH_ 3(g)
- Half life of a first order reaction is 900 minute at 400 K, find its half life at 300 K? ( E_a 2.303R = 1.3056 10^ 3 )
- Rate law for the reaction, C_2H_5I_ (g) C_2H_ 4(g) + HI_ (g) is r = k[ C_2H_5I ] What is the order and molecularity of this...
- For the reaction, NO_ 2(g) + CO_ (g) NO_ (g) + CO_ 2(g) , rate of formation of NO_ (g) is Y mol dm^ -3 s^ -1 . Find the rate of...
- In a first order reaction concentration of reactant decreases from 20 milli mol dm^ -3 to 8 milli mol dm^ -3 in 40 minute, find...
- Which from following is correct regarding t_ 1/2 of reaction if we double the initial concentration of a reactant in first order...
- For a first order reaction, half life is 5 hour. What time is required to reduce 10 g of reactant to 2.5 g ?
- Consider the reaction, 3 I^-_ (aq) + S_2O_ 8(aq) ^ 2- I_ 3(aq) ^- + 2 SO_ 4(aq) ^ 2- If the rate of formation of SO_4^ 2- at a...
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