Chemical Kinetics questions
1373 published questions with worked solutions.
- The minimum energy required for molecules to enter into the reaction is called _____ energy [KCET 1986, EAMCET 1992, MP PMT 1993,...
- Consider an endothermic reaction X Y with the activation energies E_b and E_f for the backward and forward reactions,...
- For a reaction, the activation energy E_a=0 and the rate constant k=3.2 10^ 6 s^ -1 at 300 K. What is the value of rate constant...
- The rate of a chemical reaction doubles for every 10 ^ C rise of temperature. If the temperature is raised by 50 ^ C , the rate...
- The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at 25 ^ C are 3.0 10^ -4 s^ -1 ,...
- The rate constant is doubled when temperature increases from 27 ^ C to 37 ^ C . Activation energy in kJ is _____
- The activation energy of a reaction can be determined from the slope of which of the following graphs? [AIPMT 2015]
- For the first order reaction A P, the temperature (T) dependent rate constant (k) was found to follow the equation k=-(2000)...
- In respect of the equation k=Ae^ -E_a/RT in chemical kinetics, which one of the following statement is CORRECT? [AIEEE 2003]
- The half life period for a first order reaction is _____ [GUJ CET 2014]
- A first order reaction was started with a decimolar solution of the reactant, 8 minutes and 20 seconds later its concentration...
- Half life period of a first order reaction, A product is 6.93 hour. What is the value of rate constant? [MH CET 2015]
- The initial rates of reaction 3A+2B+C Products, at different initial concentrations are given below Initial rate ( M ,s^ -1 ) |...
- 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...
- The rate of a reaction that does not involve gases is NOT dependent on _____
- Higher order (>3) reactions are rare due to _____ [JEE (Main) 2015]
- An exothermic reaction A B has an activation energy of 17 kJ per mole of A. The heat of the reaction is 40 kJ. Calculate the...
- For an endothermic reaction, energy of activation is E_a and enthalpy of reaction is H (both of these in kJ/mol). Minimum value...
- The rates of certain reaction (dc/dt) at different times are as follows Time | Rate ( mole litre^ -1 sec^ -1 ) 0 | 7.3 10^ -2 10...
- For the reaction A+2B C, the reaction rate is doubled if the concentration of A is doubled. The rate is increased by four times...
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