The iodide ion reacts with hypochlorite ion (the active ingredient in chlorine bleaches) in the following way: OCl- + I-→ OI- + Cl- This rapid reaction gives the following rate data:
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[oci-] (M)
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[I-] (M)
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Initial Rate (M/s)
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1.5 x 10-3
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1.5 x 10-3
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1.36 x 10-4
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3.0 X 10-3
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1.5 x 10-3
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2.72 X 10-4
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1.5 x 10-3
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3.0 x 10-3
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2.72 x 10-4
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(a) Write the rate law for this reaction.
(b) Calculate the rate constant with proper units.
(c) Calculate the rate when and [OCl-] = 2.0 X 10-3 M [I-] = 5.0 X 10-4 M