Chemical Kinetics questions
1373 published questions with worked solutions.
- … A … is the expression in which reaction rate is given in terms of molar concentration of reactants with each term raised to...
- Consider some facts about decomposition of H_2O_2. I. It is catalysed by iodide ion in acidic medium. II. It is second order...
- The rate constants are numerically equal for three reactions of first, second and third order respectively. Which of the...
- On mixing 1 dm^3 of 3M ethanol with 1 dm^3 of 2M ethanoic acid, an ester is formed. C_2H_5OH + CH_3COOH CH_3COOC_2H_5 + H_2O If...
- In the reversible reaction, 2NO_2 k_2 k_1 N_2O_4 the rate of disappearance of NO_2 is equal to
- The conversion of molecules x to y follows second order kinetics. If concentration of x is increased to three times, the rate of...
- Half-life of a reaction is found to be inversely proportional to the cube of initial concentration. The order of reaction is
- In a first order reaction, A P, the ratio of a/(a - x) was found to be 8 after 60 min. If the concentration is 0.1M then the rate...
- The rate of a chemical reaction double for every 10^ rise in temperature. If the temperature is raised by 50^ , the rate of...
- For a reaction, 1 2 A 2B, rate of disappearance of A is related to the rate of appearance of B by the expression
- In a zero order reaction for every 10^ rise in temperature, the rate is doubled. If the temperature is increased from 10^ to 100^...
- During the kinetic study of the reaction 2A + B C + D, following results were obtained Run | [A]_0/mol L^ -1 | [B]_0/mol L^ -1 |...
- The inversion of cane sugar is first order in [sugar] and proceeds with half-life of 600 min at pH = 4 for a given concentration...
- The initial rates of reaction, 3A + 2B + C Products, at different initial concentrations are given below : S.No | Initial rate, M...
- For a reaction, 2N_2O_5 4NO_2 + O_2, the rate is directly proportional to [N_2O_5]. At 45^ , 90% of the N_2O_5 reacts in 3600 s....
- At 500 K, the half-life period of a gaseous reaction at an initial pressure of 80 kPa is 350 s. When the pressure is 40 kPa, the...
- A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon...
- For the second order reaction, A + B products. When a moles of A react with b moles of B, the rate equation is given by k_2 t = 1...
- A(g) P(g) + Q(g) + R(g); follows first order kinetics with a half-life of 69.3 s at 500^ . Starting from the gas A enclosed in a...
- The value of rate constant for a first order reaction is 2.303 10^ -2 s^ -1 . What will be the time required to reduce the...
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