Chemical Kinetics questions
1373 published questions with worked solutions.
- The addition of a catalyst during a chemical reaction alters which of the following quantities?
- A first order reaction has a specific reaction rate of 10^ -2 s ^ -1 . How much time will it take for 20 g of the reactant to...
- Mechanism of a hypothetical reaction X _2 + Y _2 2 XY is given below : (i) X _2 X + X (fast) (ii) X + Y _2 XY + Y (slow) (iii) X...
- The correct difference between first and second order reactions is that
- When initial concentration of the reactant is doubled, the half-life period of a zero order reaction
- If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
- For the reaction A + 3B 2C rate of consumption of A is 1.4 mol dm ^ -3 sec ^ -1 . Calculate rate of formation of C?
- Which from following catalysts is used in the Haber's process for manufacture of ammonia?
- In a first order reaction if concentration of reactant drops from 0.8 mol L ^ -1 to 0.4 mol L ^ -1 in 15 minute. What is the time...
- Calculate the time required for reactant to decreases the concentration from 100% to 20% if rate constant of first order reaction...
- What is the rate of formation of O_2 for the reaction stated below? 2N_2O_ 5(g) 4NO_ 2(g) + O_ 2(g) [ d[N_2O_5] dt = 0.02 mol...
- Rate law for the reaction 2NO + Cl_2 2NOCl is rate = k [NO]^2[Cl_2]. When will the value of k increase?
- For a zero order reaction A product. Conc. Of A decreases from 0.8 mol dm^ -3 to 0.2 mol dm^ -3 in 6 minute. What is rate...
- What is rate constant of a first order reaction if 60% reactant decompose in 45 minute?
- Half life of a zero order reaction is directly proportional to -
- What time is required for 100 g of reactant to reduce to 25g in a first order reaction having half life 5760 year?
- Which of the following statement is correct about zero order reaction?
- For a reaction 2 N _2 O _ 5(g) 4 NO _ 2(g) + O _ 2(g) N _2 O _5 disappears at a rate of 0.06 mol dm^ -3 s^ -1 . What is rate of...
- What is half life of a first order reaction if time required to decreases concentration of reactant from 0.8 M to 0.2 M is 12...
- For the reaction 2N_2O_ 5(g) 4NO_ 2(g) + O_ 2(g) rate and rate constant are 1.02 10^ -4 mol ,L^ -1 s^ -1 and 3.4 10^ -5 s^ -1 ....
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