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Determining the law from a mechanism with an initial fast, equilibrium step: The oxidation of iodide ion by hydrochlorite ion : CIO^(-)(aq.)+I^(-)(aq.)rarrCI^(-)(aq.)+IO^(-)(aq.) has been postulated to occur by the two step mechanism : 1. CIO^(-)(aq.)+H_(2)O(l)hArrHCIO(aq.)+OH^(-)(aq.) fast, equilibrium 2. I^(-)(aq.)+HCI(aq.)overset(k_(2))rarr(HIO(aq.)+CI^(-)(aq.) slow What rate law is predicted by this mechanism ? Strategy : Write the rate equation for the rate determining (slow) step. However, in this case the equation contains a species that does not appear in the overall eqwuation for the reaction. We need to eliminate it from the final from of the rate law. For this purpose we use the fast and equilibrium step.

Two short magnets of magnetic moment 2 Am^(2) and 5 Am^(2) are placed along two lines drawn at right angle to each other on the sheet of paper as shown in the figure. What is the magnetic field at the point of intersection of their axis?

An organisation provides security services. It requires such candidates who are reliable and don't leak out the secret of the clients. What steps should be incorporated in selection process? State next two steps of selection process.