Chemical Kinetics questions
1373 published questions with worked solutions.
- Thermal decomposition of a compound is first order reaction. If a sample of compound decomposes 50% in 120 minutes, how much time...
- Which equation is correct for first order reactions?
- Which one is first order reaction?
- The unit of the rate constant for first order reaction is
- The rate constant of a reaction is 2.5 10^ -2 , Minutes^ -1 . The order of the reaction is
- In the reaction 2A + B products the order w.r.t. A is found to be one and w.r.t. B equal to 2. Concentration of A is doubled and...
- The activation energy for the forward reaction X Y is 60 , KJ ,Mol^ -1 and H is -20 , KJ ,Mol^ -1 . The activation energy for the...
- Which of the following relation is correct for zero order reaction?
- The rate of a first order reaction is 1.8 10^ -3 , Mol ,L^ -1 ,Min^ -1 . When the initial concentration is 0.3 , Mol ,L^ -1 . The...
- For the decomposition of N_2O_5 at a particular temperature according to the equation. 2N_2O_5 4NO_2 + O_2 N_2O_5 2NO_2 + 1 2 O_2...
- For a second order reaction rate at a particular time is X. If the initial concentration is tripled the rate will become
- For the single step reaction of the type : A + 2B E + 2F, the Rate Law is
- The rate of a chemical reaction doubles for every 10^ C rise in temperature. If the temperature is increased by 60^ C the rate of...
- The reaction for which the activation energies of forward and reverse reaction are equal will have
- If a is the initial concentration and K is the rate constant of a zero order reaction, the time for reaction to go to completion...
- For a given reaction half-life period was found to be directly proportional to the initial concentration of the reaction. The...
- The number of molecules of the reactants taking part in a single step reaction tells about
- The activation energy of exothermic reaction A B is 80 KJ. The heat of reaction is 200 KJ. The activation energy for the reaction...
- Which of the following is a first order reaction?
- The rate of the first order reaction X products is 0.75 10^ -4 , mol ,L^ -1 ,Mins^ -1 when the concentration of X is 0.5 , Mol...
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