The reduction of peroxydisulfate ion (S₂02) by iodide ions to form sulfate ions and aqueous iodine is very slow unless iron(II) or iron(III) ions are present. The iron ions are a contaminent. a heterogeneous catalyst. an inhibitor. O a homogeneous catalyst.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
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Question 22 of 42
The reduction of peroxydisulfate ion (S₂0₂2) by iodide ions to form sulfate ions and aqueous iodine is very slow unless iron(II) or
iron(III) ions are present. The iron ions are
O a contaminent.
a heterogeneous catalyst.
O an inhibitor.
O a homogeneous catalyst.
Transcribed Image Text:Question 22 of 42 The reduction of peroxydisulfate ion (S₂0₂2) by iodide ions to form sulfate ions and aqueous iodine is very slow unless iron(II) or iron(III) ions are present. The iron ions are O a contaminent. a heterogeneous catalyst. O an inhibitor. O a homogeneous catalyst.
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