Chemical Kinetics questions
1373 published questions with worked solutions.
- Consider the following reaction, C_2H_4(g) + H_2(g) C_2H_6(g). I. The above reaction is an example of first order kinetics. II....
- A first order reaction is found to have a rate constant, k = 4.2 10^ -12 s ^ -1 . Find the half-life of the reaction.
- The rate of the backward reaction in a reversible reaction is
- Expression for the half-life of zero order reaction is given as
- The rate constant for a first order reaction is 60 s ^ -1 . How much time will it take to reduce the initial concentration of the...
- Inversion of cane sugar is a ... A... order reaction, C_ 12 H_ 22 O_ 11 + H_2O H^+ C_6H_ 12 O_6 + C Here B stands for the first...
- Half-life period of a first order reaction is 10 min. Starting with initial concentration 12M, the rate after 20 min is
- The rate of first order reaction is 1.5 10^ -2 mol L ^ -1 , min ^ -1 at 0.5M concentration of the reactant. The half - life of...
- The half-life period of decomposition of a compound is 50 min. If the initial concentration is made 4 times, the half-life period...
- How much time is required for two-third completion of a first order reaction having, k = 5.48 10^ -14 s ^ -1 ?
- t_ 1/4 can be taken as the time taken for the concentration of a reactant to drop to 3/4 of its initial value. If the rate...
- For a reaction, the rate constant is 2.34 s ^ -1 . The half-life period is
- A first order reaction is 75% completed in 32 min. When was 50% of the reaction completed?
- Rate constant for a reaction is 10^ -3 s ^ -1 . How much time is required to reduce the initial concentration of reactant to 25%?
- A first order reaction is 10% completed in 20 min. The time taken for 19% completion is
- If the half-time for a particular reaction is found to be constant and independent of the initial concentration of the reactants,...
- The integrated rate equation is kt = C_0 - C. The straight line graph is obtained by plotting
- The chemical reaction, 2O_3 3O_2 proceeds as follows O_3 O_2 + O (fast) O + O_3 2O_2 (slow) The rate law expression should be
- The following data were obtained during the first order thermal decomposition of SO_2Cl_2 at a constant volume. SO_2Cl_2(g)...
- When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the...
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