Chemical Kinetics questions
1373 published questions with worked solutions.
- For a first order reaction, the concentration changes from 0.8 to 0.4 in 15 min. The time taken for the concentration to change...
- If the half-time for a particular reaction is found to be constant and independent of the initial concentration of the reactants,...
- Give the relation between half reaction time (t_ 1/2 ) and initial concentration of reactant for (n-1) order reaction. [Guj CET...
- In a reaction A+B C, the rate expression is R=k[A][B]^2. If the concentration of both reactants is doubled at constant volume,...
- The data for the reaction, A+B C | Ex | [A]_0 | [B]_0 | Initial rate | |---|---|---|---| | 1 | 0.012 | 0.035 | 0.10 | | 2 | 0.024...
- For a reaction A+B C+D, if the concentration of A is doubled without altering the concentration of B, the rate gets doubled. If...
- After how many seconds will the concentration of the reactant in a first order reaction be halved if the rate constant is 1.155...
- Which one of the following is a second order reaction? [K CET 2007]
- Consider the following statements in respect of a zero order reaction. I. The rate of the reaction is independent of reactant...
- For a first order reaction, the initial concentration of a reactant is 0.05 M. After 45 min it is decreased by 0.015 M. Calculate...
- Rate constant for a reaction is 10^ -3 ,s^ -1 . The time to leave 25% reaction (unreacted) is
- The order of the reaction, with respect to one of the reacting components Y, is zero. This implies that [AMU 2003]
- If a plot of _ 10 C versus t gives a straight line for a given reaction, then the reaction is [VITEEE 2008]
- If the rate of reaction A B doubles on increasing the concentration of A by 4 times, the order of the reaction is
- Under the same reaction conditions, initial concentration of 1.386 ,mol ,dm^ -3 of a substance becomes half in 40 s and 20 s...
- 1 [A]^2 vs time is a straight line. Order of the reaction is
- The following homogeneous gaseous reactions were experimentally found to be second order overall. 1. 2NO N_2+O_2 2. 2O_3 3O_2 3....
- A reaction involving A, B and C as reactants is found to obey the rate law, rate =k[A]^x[B]^y[C]^z. When the concentration of A,...
- For a reaction between A and B, the initial rate of reaction is measured for various initial concentrations of A and B. The data...
- The units of the rate constant of a second order reaction are [J & K CET 2007]
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