Chemical Kinetics questions
1373 published questions with worked solutions.
- Which of the INCORRECT statement about rate of reaction?
- For the reaction, H_2(g)+I_2(g) 2HI(g) , the rate of reaction is expressed as [CBSE PMT 1997, AIEEE 2002]
- For the reaction N_2O_ 5(g) 2NO_ 2(g) + 12O_ 2(g) the value of rate of disappearance of N_2O_5 is given as 6.25 10^ -3 mol ,L^ -1...
- A gaseous chemical reaction, 2A 4B is carried out in a closed vessel. The concentration of B is found to increase by 5 10^ -3 mol...
- The rate of the reaction 2N_2O_5 4NO_2+O_2 can be written in three ways -d[N_2O_5] dt =k[N_2O_5], d[NO_2] dt =k^ [N_2O_5], d[O_2]...
- In the synthesis of ammonia from nitrogen and hydrogen gases, if 6 10^ -2 mole of hydrogen disappears in 10 minutes, the number...
- Consider the reaction N_2(g)+3H_2(g) 2NH_3(g) . The equality relationship between d[NH_3] dt and - d[H_2] dt is _____ [CBSE PMT...
- For a reaction 12A 2B, rate of disappearance of ‘A’ is related to the rate of appearance of ‘B’ by the expression _____ [AIEEE...
- Consider the reaction 2N_2O_ 5(g) 4NO_ 2(g) +O_ 2(g) in liquid bromine. If - d[N_2O_5] dt =0.02 M ,s^ -1 then NO_2 is formed at...
- 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...
- The half life of a substance in a certain enzyme-catalysed reaction is 138 s. The time required for the concentration of the...
- Consider a reaction aG+bH Products. When concentration of both the reactants G and H is doubled, the rate increases by eight...
- Half life period of a first-order reaction is 1386 seconds. The specific rate constant of the reaction is _____ [CBSE PMT 2009]
- Which one of the following statement is NOT correct for order of reaction? [IIT JEE 2005, CBSE PMT (Prelims) 2011]
- The rate of the reaction A Products, at the initial concentration of 3.24 10^ -2 M is nine times its rate at another initial...
- For the non-stoichiometric reaction 2A + B C + D, the following kinetic data were obtained in three separate experiments, all at...
- The unit of rate constant for certain reaction is time^ -1 . The order of the reaction is _____
- If ‘a’ and "t_ 1/2 " are initial concentration of reactant and half-life of a zero order reaction respectively, which of the...
- Under the same reaction conditions, initial concentration of 1.386 mol ,dm^ -3 of a substance becomes half in 40 seconds and 20...
- The rate constant of a first order reaction is 3 10^ -6 per second. If the initial concentration is 0.10 M , the initial rate of...
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