question_answer

  (i) Draw a systematic graph showing how the rate of a 1st order reaction changes with change in the concentration of the reactants.                                                                                                                                              1 (ii) Rate of reaction of one reaction . What are the units for the rate and rate constant for this reaction?                                                                                                                                                                                             1

Answer:

  (i) Rate of a first order reaction is directly proportional to the molar concentration of the reactant. So the graph is a straight line.                                                                                                                                                                                       1   (ii) Unit of 3   =                                                                                                                                                                             1