Chemical Kinetics questions
1373 published questions with worked solutions.
- Which expression is wrong for a first order reaction? [DCE 2007]
- The half-life period of a first order reaction is 69.3 s. What is the rate constant?
- In a first order reaction, reactant concentration C varies with time as [UP SEE 2005]
- Which is correct about zero order reaction? [OJEE 2004]
- A reaction was observed for 15 days and the percentage of the reactant remaining after the days indicated was recorded in the...
- In a first order reaction the concentration of reactant decreases from 800 ,mol/dm^6 to 50 ,mol/dm^6 in 2 10^4 ,s. The rate...
- A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon...
- In a reaction, when the concentration of reactant is increased two times, the increase in rate of reaction was four times. Order...
- In the first order reaction, 75% of the reactant disappears in 1.386 h. The rate constant of the reaction is [RPET 2010]
- In the reaction, 2N_2O_5 4NO_2+O_2, initial pressure is 500 atm and rate constant k is 3.38 10^ -5 ,s^ -1 . After 10 min the...
- The rate for the reaction, RCl+NaOH(aq) ROH+NaCl is given by rate =k[RCl]. The rate of the reaction is [Manipal 2003]
- A reaction involving two different reactants can never be [AIEEE 2005]
- Which of the following is **not** an example of a pseudo-unimolecular reaction? [BITSAT 2006]
- A first order reaction has a rate constant 1.15 10^ -3 ,s^ -1 . How long will it take for 5 g of this reactant to reduce to 3 g?...
- The rate constant of a reaction is found to be 3 10^ -3 ,mol ,L^ -1 min^ -1 . The order of reaction is
- What is the two-third life of a first order reaction having k=5.48 10^ -14 ,s^ -1 ? [J & K CET 2006]
- Rate constant for a reaction is . Average life is represented by
- Consider the following statements. The rate law for the acid-catalysed hydrolysis of an ester being given as...
- Given the hypothetical reaction mechanism A I B II C III D IV E and the data as: | Species formed | Rate of its formation |...
- The rate constant of a first order reaction is 6.9 10^ -3 ,s^ -1 . How much time will it take to reduce the initial concentration...
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