Chemical Kinetics questions
1373 published questions with worked solutions.
- Units of rate constant of first and zero order reactions in terms of molarity M unit are respectively
- For the reaction A + 2B C, rate is given by R = [A][B]^2 then the order of the reaction is
- The differential rate law for the reaction H_2 + I_2 2HI is
- The integrated rate equation is Rt = C_0 - C_t. The straight line graph is obtained by plotting
- In respect of the equation k = Ae^ -E_a/RT in chemical kinetics, which one of the following statements is correct?
- The rate law for a reaction between the substances A and B is given by Rate = k[A]^n[B]^m On doubling the concentration of A and...
- For the reaction system: 2NO(g) + O_2(g) 2NO_2(g) volume is suddenly reduce to half its value by increasing the pressure on it....
- In first order reaction, the concentration of the reactant decreases from 0.8M to 0.4M in 15 minutes. The time taken for the...
- The rate equation for the reaction 2A + B C is found to be: rate k[A][B]. The correct statement in relation to this reaction is...
- Consider an endothermic reaction, X Y with the activation energies E_b and E_f for the backward and forward reactions,...
- A reaction involving two different reactants can never be
- t_ 1/4 can be taken as the time taken for the concentration of a reactant to drop to 34 of its initial value. If the rate...
- A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon...
- Rate of a reaction can be expressed by Arrhenius equation as: k = Ae^ -E/RT In this equation, E represents
- The following mechanism has been proposed for the reaction of NO with Br_2 to form NOBr : NO(g) + Br_2(g) NOBr_2(g) NOBr_2(g) +...
- Consider the reaction, 2A + B Products When concentration of B alone was doubled, the half-life did not change. When the...
- For a reaction 12A 2B, rate of disappearance of ' A ' is related to the rate of appearance of 'B' by the expression
- The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the...
- The time for half life period of a certain reaction A → products is 1 hour. When the initial concentration of the reactant ' A ',...
- Consider the reaction : Cl_2(aq) + H_2S(aq) S(s) + 2H^+(aq) + 2Cl^-(aq) The rate equation for this reaction is rate =...
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