Chemical Kinetics questions
1373 published questions with worked solutions.
- The calculation of the pre-exponential factor is based on the _________
- Velocity constant ‘k’ of a reaction is affected by ________
- Activation energy is given by the formula ______
- According to collision theory of reaction rate, the rate increases with the increase in temperature because ______
- A chemical reaction was carried out at 300 K and 280 K. The rate constants were found to be k_1 and k_2 respectively. Then...
- For a zero order reaction, __________
- Which of the following aspect is NOT dealt by chemical kinetics?
- Pieces of wood burn faster than a log of wood of the same mass because ________
- For a chemical reaction _______ can never be a fraction
- A catalyst increases the rate of reaction as it _______
- For a first order reaction, k=0.693 hr^ -1 . The half life of the reaction is _______
- The rate of reaction is determined by slow step reaction. The step is called ________
- In the reaction: H_ 2(g) +Br_ 2(g) 2HBr_ (g) Experimental data suggests that Rate =k[ H_2 ][ Br ]^ 1/2 , hence molecularity and...
- Which of the following statement regarding catalyst is FALSE?
- A catalyst, (i) Increases the average kinetic energy of the molecules (ii) Decreases the activation energy (iii) Alters the...
- The rate law for elementary reaction A+2B C+2D will be ________
- Reaction A+B C+D +38 kcal has activation energy 20 kcal. Activation energy for the reaction C+D A+B is _________
- In the formation of sulphur trioxide by the contact process, 2SO_ 2(g) +O_ 2(g) 2SO_ 3(g) The rate of reaction is expressed as -...
- In a chemical reaction 2A+B C+D . Find the INCORRECT statement
- The rate of a reaction is expressed in different ways as follows + 12 d[C] dt =- 15 d[D] dt =+ 13 d[A] dt =- d[B] dt the reaction...
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