Chemical Kinetics questions
1373 published questions with worked solutions.
- NO_2 required for a reaction is produced by the decomposition of N_2O_5 in CCl_4 as per the equation, 2N_2O_5(g) → 4NO_2(g) +...
- A sample of milk splits after 60 min. at 300 K and after 40 min. at 400 K when the population of lactobacillus acidophilus in it...
- For following reactions A 700 K Product A [ catalyst ] 500 K Product it was found that the E_a is decreased by 30 kJ/mol in the...
- For the reaction 2A + 3B + 3 2 C 3P , which statement is correct?
- The following data were obtained during the first order thermal decomposition of a gas A at constant volume: A(g) → 2B(g) + C(g)...
- Consider the following reaction, the rate expression of which is given below A + B → C, rate = k [A]^ 1/2 [B]^ 1/2 . The reaction...
- During Kinetic study of reaction 2A + B → C + D, the following results were obtained | Run | A [M] | B [M] | Initial rate of...
- Consider the following single step reaction in gas phase at constant temperature. 2A(g) + B(g) → C(g). The initial rate of the...
- Time required for 99.9% completion of a first order reaction is ____ time the required for completion of 90% reaction. (nearest...
- The results given in the below table were obtained during kinetic studies of the following reaction: 2A+B C+D | Experiment |...
- Consider the two different first order reactions given below: A + B → C (Reaction 1), P → Q (Reaction 2). The ratio of the half...
- Consider the following reaction A + B → C. The time taken for A to become 1/4th of its initial concentration is twice the time...
- If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in...
- The number of molecules with energy greater than the threshold energy for a reaction increases five fold by a rise of temperature...
- A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives for A and B are...
- The rate of a reaction decreased by 3.555 times when the temperature was changed from 40°C to 30°C. The activation energy (in kJ...
- Activation energy of any chemical reaction can be calculated if one knows the value of
- The rate of a reaction quadruples when temperature changes from 27°C to 57°C. Calculate the energy of activation. Given R = 8.314...
- An increase in the concentration of the reactants of a reaction leads to change in :
- The rate constant for a first order reaction is 4.606 10^ -3 s^ -1 . The time required to reduce 2.0 g of the reactant to 0.2 g...
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