Chemical Kinetics

Topics in this chapter

• Rate Laws and Reaction Order
• Integrated Rate Laws and Half-Life
• Arrhenius Equation and Temperature Effects
• Reaction Mechanisms and Molecularity
• Collision Theory and Catalysis
• Pseudo-Order and Pressure Kinetics

Cheat sheet

Practice questions

1. Question 1Q-9CBA88

   For a chemical reaction $A \rightarrow B$, the rate of the reaction increases by a factor of 8 when the concentration of $A$ is doubled. The order of the reaction with respect to $A$ is:

   1. A.1
   2. B.2
   3. C.3
   4. D.0
   See the answer and solution
2. Question 2Q-38088C

   The unit of the rate constant for a zero-order reaction is:

   1. A.s$^{-1}$
   2. B.mol L$^{-1}$ s$^{-1}$
   3. C.L mol$^{-1}$ s$^{-1}$
   4. D.L$^{2}$ mol$^{-2}$ s$^{-1}$
   See the answer and solution
3. Question 3Q-056C55

   The activation energy of a reaction can be determined graphically by plotting:

   1. A.$\ln k$ vs $T$
   2. B.$k$ vs $1/T$
   3. C.$\ln k$ vs $1/T$
   4. D.$T$ vs $\ln k$
   See the answer and solution
4. Question 4Q-92D7DA

   A first-order reaction has a rate constant $1.15 \times 10^{-3}$ s$^{-1}$. How long will 5 g of this reactant take to reduce to 3 g?

   1. A.444 s
   2. B.510 s
   3. C.650 s
   4. D.398 s
   See the answer and solution
5. Question 5Q-D01F88

   Consider a hypothetical reaction $A + B \rightarrow Products$. The rate law is given by Rate $= k[A]^{1/2}[B]^{3/2}$. What is the overall order of the reaction?

   1. A.1
   2. B.2
   3. C.1.5
   4. D.0.5
   See the answer and solution