Chemical Kinetics questions
1373 published questions with worked solutions.
- If 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in approximately _____...
- Rate law for the reaction A+B Product is rate =k[A]^2[B]. What is the rate constant, if rate of reaction at a given temperature...
- Units of rate constant of first and zero order reaction in terms of molarity M unit are respectively _____ [AIEEE 2002]
- For a first order reaction, the time taken to reduce the initial concentration by a factor of 14 is 20 minutes. The time required...
- 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 reaction, X Product follows first order kinetics. In 40 minutes the concentration of X changes from 0.1 M to 0.025 M. Then...
- A reaction was found to be second order with respect to the concentration of carbon monoxide. If the concentration of carbon...
- T_ 50 of first-order reaction is 10 min. Starting with 10 mol ,L^ -1 , rate after 20 min is _____ [AIIMS 2008]
- The reaction N_2O_5 2NO_2+ 12O_ 2(g) (in CCl_4 solution) is of first order in N_2O_5 with rate constant 6.2 10^ -1 s^ -1 . What...
- The time for half life period of a certain reaction A Products is 1 hour. When the initial concentration of the reactant ‘A’ is...
- In a first order reaction, the concentration of the reactant, decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the...
- For the reaction system 2NO(g)+O_2(g) 2NO_2(g) , volume is suddenly reduced to half its value, by increasing the pressure on it....
- Consider the reaction, 2A+B Products. When concentration of B alone was doubled, the half-life did not change. When the...
- For the reaction A+B C+D, doubling the concentration of both the reactants increases the reaction rate by 8 times and doubling...
- Certain bimolecular reactions which follow the first order kinetics are called _____ [KCET (Med.) 1999]
- For the reaction CH_3CHO(g) CH_4(g)+CO(g) R=K[ CH_3CHO ]^ 3/2 then the molecularity and order of reaction are _____ [MH CET 2013]
- The mechanism for a reaction is given below 2P+Q S+T P+Q R+S (slow) P+R T (fast) The rate law expression for the reaction is...
- Number of reactant molecules participating in a chemical reaction is called _____ [MH CET 2011]
- A reaction having equal activation energies for forward and reverse reaction has _____ [MP PMT 2002]
- Activation energy of a chemical reaction can be determined by _____ [CBSE 1998, AFMC 1999, BHU 2000]
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