Chemical Kinetics questions
1373 published questions with worked solutions.
- What is the order of following reaction 2H_2O_ 2(g) 2H_2O_ (l) + O_ 2(g)
- Half life of a first order reaction is 1 hour. What fraction of it will remain after 3 hour?
- For the reaction 3 I^ - _ (aq) + S_2O_8^ 2- _ (aq) 2 SO_4^ 2- _ (aq) + I_3^ - _ (aq) Rate of formation of SO_4^ 2- _ (aq) is...
- For the reaction, 2NO_ 2(g) 2NO_ (g) + O_ 2(g) , d[NO_2] dt is 1.3 10^ -5 mol L^ -1 sec^ -1 What is rate of formation of O_2?
- The rate constant of a reaction is 0.693 10^ -2 per minute. What is half life period?
- Calculate half life of a first order reaction in minute if the rate constant is 1 x 10^ -3 sec^ -1
- For the reaction, 2NO_ (g) + O_ 2(g) 2NO_ 2(g) If d[NO_2] dt = 0.052 mol dm^ -3 s^ -1 Calculate rate of consumption of NO_ (g) .
- Which of the following unit is used to express rate of a reaction?
- Calculate rate constant of a zero order reaction if it is 90% completed in 90 second?
- Ammonia and oxygen react at high temperature as in reaction, 4 NH_ 3(g) + 5O_ 2(g) 4NO_ (g) + 6H_2O_ (g) If rate of formation of...
- Time required for completion of 90% of a first order reaction is 't'. What is the time required for completion of 99.9% of the...
- Which is the correct relation between rate constant and half life of first order reaction?
- What is half life of a first order reaction if time required to decrease concentration of reactant from 0.8 mol dm^ -3 to 0.2 mol...
- For the reaction 2 A + B product, rate of the reaction is 15 10^ -2 mol dm^ -3 sec^ -1 . When [A] = 0.3 mol dm^ -3 and [B] = 0.05...
- Rate law equation for a reaction is R = K [x] [y], rate doubles when
- Rate of reaction x + y product is 5.4 x 10^ -2 mol dm^ -3 sec^ -1 . When [x] = 0.2 mol dm^ -3 and [y] = 0.1 mol dm^ -3 ,...
- Rate of first order reaction A product is 0.01 mol dm^ -3 s^ -1 , calculate rate constant if concentration of reactant is 0.2 M?
- What is rate constant of a first order reaction if time required to decrease concentration of reactant from 1.6 M to 0.4 M is 12...
- What is the correct relation between rate constant and half life of zero order reaction?
- Rate of reaction 2X+Y 2W+Z is 1.2 10^ -4 mol dm^ -3 ,sec^ -1 when [ X ]=[ Y ]=0.6 mol dm^ -3 . Calculate value of rate constant...
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