Chemical Kinetics questions
1373 published questions with worked solutions.
- Consider the reaction. When concentration of B alone was doubled, the half-life did not change. When the concentration of A alone...
- The unit of rate constant of a second order reaction is [DCE 2009]
- Consider the reaction, Cl_2(aq)+H_2S(aq) S(s)+2H^+(aq)+2Cl^-(aq). The rate equation for this reaction is rate =k[Cl_2][H_2S]....
- Find the two-third life (t_ 2/3 ) of a first order reaction in which k=5.48 10^ -14 per second [Kerala CEE 2006]
- For a reaction, A+2B C, rate is given by + d[C] dt =k[A][B]. Hence, the order of the reaction is
- The concentration of a reactant X decreases from 0.1 M to 0.005 M in 40 min. If the reaction follows first order kinetics, the...
- Which of the following statements is **incorrect** about the molecularity of a reaction? [OJEE 2007]
- For a reaction, the rate constant is 2.34 ,s^ -1 . The half-life period for the reaction is [Jamia Millia Islamia 2008]
- The following data are for the decomposition of ammonium nitrite in aqueous solution. | Vol. of N_2 (cc) | Time (min) | |---|---|...
- For a first order reaction, the half-life period is [MHT-CET 2008]
- For a zero order reaction, the plot of concentration of reactant vs time is (intercept refers to concentration axis) [Kerala CET...
- The decomposition of N_2O_5 occurs as 2N_2O_5 4NO_2+O_2, and follows first order kinetics, hence [BCECE 2006]
- A hypothetical reaction A_2+B_2 2AB follows the mechanism given below, A_2 A+A (fast) A+B_2 AB+B (slow) A+B AB (fast) The order...
- In a chemical reaction two reactants take part. The rate of reaction is directly proportional to the concentration of one of them...
- The rate constant of a first order reaction is 3 10^ -6 per second and initial concentration is 0.10 M. Then the initial rate of...
- Inversion of cane-sugar in dilute acid is a [J & K CET 2007]
- The reaction 2A+B+C D+E is found to be first order in A, second order in B and zero order in C. What is the effect on the rate of...
- For the following homogeneous reaction, the unit of rate constant is A+B k C [Manipal 2006]
- For the reaction, 2A+B C+D, the order of reaction is [AMU 2009]
- A+B Product If concentration of A is doubled, rate increases 4 times. If concentration of A and B are doubled, rate increases 8...
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