Exercise - CHEMICAL KINETICS
i. The rate of a reaction as the reaction proceeds.
- a) Increases
- b) Decreases
- c) Remains the same
- d) May increase or decrease.
ii. The activation energy for a reaction can be;
- a) Increased by increasing temperature
- b) Increased by decreasing temperature
- c) Decreased by increasing concentration of reactants
- d) None of these
iii. Reactions with high activation energy are usually;
- a) Fast
- b) Slow
- c) Exothermic
- d) Reversible
iv. In a reversible reaction catalyst lowers the activation energy of the;
- a) Forward reaction
- b) Reverse reaction
- c) Forward as well as reverse reaction
- d) Forward reaction but increases for the reverse reaction