Write a laboratory report to verify that the ionic reaction follows a first order kinetics when iodide ions are in large excess and to determine the rate constant of reaction.

Write a laboratory report to verify that the ionic reaction follows a first order kinetics when iodide ions are in large excess and to determine the rate constant of reaction.

Plot a graph to show ln (a – x) against time using the details in the table provided.

solve to get the (a-x), ln (a-x), k and from the graph determine K.