Chemical Kinetics questions
1373 published questions with worked solutions.
- A molecule undergoes two independent first order reactions whose respective half lives are 12 min and 3 min. If both the...
- For a chemical reaction A + B Product, the order is 1 with respect to A and B Rate(mol L^ -1 S^ -1 ): 0.10, 0.40, 0.80; [A](mol...
- KClO_3+6FeSO_4+3H_2SO_4 KCl+3Fe_2(SO_4)_3+3H_2O The above reaction was studied at 300 K by monitoring the concentration of FeSO_4...
- The reaction 2NO + Br_2 2NOBr takes place through the mechanism given below NO + Br_2 NOBr_2 (fast) NOBr_2 + NO 2NOBr (slow) The...
- A(g) 2B(g) + C(g) is a first order reaction. The initial pressure of the system was found to be 800 mm Hg which increased to 1600...
- t_ 87.5 is the time required for the reaction to undergo 87.5% completion and t_ 50 is the time required for the reaction to...
- For a reversible reaction A , the H_ forward reaction = 20 kJ mol^ -1 . The activation energy of the uncatalyzed forward reaction...
- A student has studied the decomposition of a gas AB_3 at 25°C. He obtained the following data. p(mmHg): 50,100,200,400; relative...
- The number of correct statement/s from the following is ____________. A. Larger the activation energy, smaller is the value of...
- A first order reaction has the rate constant, k = 4.6 10^ -3 s^ -1 . The number of correct statement/s from the following...
- For the first order reaction A B, the half life is 30 min. The time taken for 75% completion of the reaction is______min....
- An indicator 'X' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion...
- For conversion of compounds A B, the rate constant of the reaction was found to be 4.6 10^ -5 L mol^ -1 s^ -1 . The order of the...
- An organic compound undergoes first order decomposition. If the time taken for the 60% decomposition is 540 s, then the time...
- If compound A reacts with B following first order kinetics with rate constant 2.011 10^ -3 s^ -1 . The time taken by A (in...
- The rate constant for a first order reaction is 20 min^ -1 . The time required for the initial concentration of the reactant to...
- A The rate constants of the above reaction at 200 K and 300 K are 0.03 min^ -1 and 0.05 min^ -1 respectively. The activation...
- Consider a reaction aG + bH → Products. When concentration of both the reactants G and H is doubled, the rate increases by eight...
- Under the same reaction conditions, initial concentration of 1.386 mol dm⁻³ of a substance becomes half in 40 seconds and 20...
- For a first order reaction A → P, the temperature (T) dependent rate constant (k) was found to follow the equation k = -(2000) 1...
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