Chlorine dioxide reacts in basic water to form chlorite and chlorate according to the following chemical equation: 2ClO2(aq)+2OH(aq)ClO2(aq)+ClO3(aq)+H2O(l) A kinetic study of this reaction under a certain set of conditions yielded the data below. Which one of the following is the rate law for this reaction? a) rate=k[ClO2][OH]2 b) rate =k[ClO2]2[OH]2 c) rate =k[ClO2]2[OH] d) rate =k[ClO2][OH] e) rate =k[ClO2]4[OH] A certain first-order reaction A - > B is 25% complete in 42min at 25C. What is the half-life of the reaction? a) 21min b) 42min c) 84min d) 101min e) 20min