Core Practical 14 : Determine the activation energy for the reaction between bromide ions and bromate(V) ions
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Last updated 2:52 PM on 1/7/26
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8 Terms
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Overview:
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Procedure:
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Plot a graph of ln t (y axis) against 1/T (x axis)
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Learning tips:
the Arrhenius equation is an exponential relationship between the rate constant, k, and temperature, T
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Write an equation for the reaction between bromine and phenol.
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What function does the methyl red have in this experiment?
The methyl red serves to mark the end point of the reaction when it is bleached by the bromine, after the phenol is used up and Br2 remains in solution.
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Measure the gradient of the graph:
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Calculate the activation energy for this reaction, Ea
Note 
Flashcards (24)