Chemical Kinetics questions
1373 published questions with worked solutions.
- What is the time required for completion of 90% of a first order reaction?
- The rate law for the reaction A + B product is given by rate = k[A] [B] Calculate [A] if rate of reaction and rate constant are...
- Calculate the rate constant of first order reaction if the concentration of the reactant decreases by 90% in 30 minutes.
- Find the average rate of formation of O_ 2(g) in the following reaction. 2NO_ 2(g) 2NO_ (g) + O_ 2(g) [ [NO] t ] = x mol dm^ -3...
- Which from following is the slope of the graph of rate versus concentration of the reactant for first order reaction?
- Calculate the amount of reactant in present that remains after 60 minutes involved in first order reaction (k = 0.02303 minute^...
- Which of the following metals is used as catalyst in manufacture of sulphuric acid by contact process?
- The rate for reaction, A + B product, is 1.8 10^ -2 mol dm^ -3 s^ -1 . Calculate the rate constant if the reaction is second...
- 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 of increasing...
- Identify order or following reaction 2H_2O_ 2(g) 2H_2O_ ( ) + O_ 2(g)
- For the reaction N_ 2(g) + 3H_ 2(g) 2NH_ 3(g) NH_3 is formed at a rate of 0.088 mol dm ^ -3 s ^ -1 Calculate consumption rate of...
- Consider the reaction 3I^- + S_2O_8^ 2- I_3^- + 2SO_4^ 2- , at a particular time t, d[SO_4^ 2- ] dt is 2.2 10^ -2 mol ,dm^ -3 ,s^...
- For the reaction NO_ 2(g) + CO_ (g) NO_ (g) + CO_ 2(g) rate of reaction is proportional to square of [NO_2] and independent of...
- Find the percentage of unreached reactant for zero order reaction in 90 second having rate constant 1 mol dm^ -3 s^ -1
- Find the average rate of information of NO_ 2(g) in following reaction. 2 N_2O_ 5(g) 4 NO_ 2(g) + O_ 2(g) [ [N_2O_5] t ] = x mol...
- Calculate the rate constant for the first order reaction, A B if the rate of reaction is 5.4 x 10^ -6 mol dm^ -3 and [A] = 0.3 M
- Time required for 90% completion of a first order reaction is 'x' minute. Calculate the time required to complete 99.9% of the...
- What is the half life of a first order reaction if rate constant is 4.2 10^ -2 per day?
- For the reaction, 3I^ - + S_2O_8^ 2- I_3^ - + 2SO_4^ 2- , at a particular time t, d[SO_4^ 2- ] dt is 2.2 10^ -2 mol dm^ -3 s^ -1...
- The reaction given below 2NH_ 3(g) Pt N_ 2(g) + 3H_ 2(g) has rate of reaction 2.5 10^ -6 mol ,sec^ -1 . What is the rate of...
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