Order of Reactants: Potassium Iodide & Potassium Peroxodisulphate

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The discussion centers on the order of reaction between potassium iodide and potassium peroxodisulphate, with one participant expressing confusion over experimental results that suggest both first-order and second-order kinetics. The importance of verifying experimental data is emphasized, with a suggestion to share results to identify potential calculation errors. The conversation highlights the complexity of determining reaction order and the need for careful analysis of experimental outcomes.
kat_r
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Does any1 happen to know the order of reaction for potassium iodide and potassium peroxodisulphate?! I've carried out an experiment but it gives mixed results as half show 1st order and half show 2nd order. Never hav been good at practicals!
 
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I know what the rate equation is supposed to be, but rather than tell you what it is, I'm gong to ask you to show your experimental results, to make sure that you did not in fact, just make some calculation error.
 

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