The rate law of a particular reaction is found to be rate = k[a][b]. Which of the following statements is false?
1) The rate of the reaction is directly proportional to the concentration of reactant A
2) The rate of the reaction is directly proportional to the concentration of reactant B
3) The rate constant k is specific to this particular reaction
4) The rate of the reaction is inversely proportional to the concentration of reactant A
5) Cannot be determined from the given information
