Metals often form several cations with different charges. Cerium, for example, forms Ce+ and Ce4+ ions, and thallium forms Tl† and TI³+ jons. Cerium and thallium ions react as follows: 2Ce+ (aq) + TI+ (aq)→2Ce³+(aq)+ TI³+ (aq) This reaction is very slow and is thought to occur in a single elementary step. The reaction is catalyzed by the

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Metals often form several cations with different charges.
Cerium, for example, forms Ce³+ and Ce4+ ions, and
thallium forms Tl* and TI³+ ions. Cerium and thallium
ions react as follows:
2Ce4+ (aq) + TI+ (aq)→2CE³+ (aq)+ T1³+ (aq)
This reaction is very slow and is thought to occur in a
single elementary step. The reaction is catalyzed by the
addition of Mn2+(aq) according to the following
mechanism:
Ce+ (aq) + Mn²+ (aq) → Ce³+(aq) + Mn3+ (aq)
Cet+ (aq) + Mn³+(aq) → Ce³+(aq) + Mn+ (aq)
Mn4+ (aq) + TI+(aq)
→ Mn²+(aq) + T1³+ (aq)
Transcribed Image Text:Metals often form several cations with different charges. Cerium, for example, forms Ce³+ and Ce4+ ions, and thallium forms Tl* and TI³+ ions. Cerium and thallium ions react as follows: 2Ce4+ (aq) + TI+ (aq)→2CE³+ (aq)+ T1³+ (aq) This reaction is very slow and is thought to occur in a single elementary step. The reaction is catalyzed by the addition of Mn2+(aq) according to the following mechanism: Ce+ (aq) + Mn²+ (aq) → Ce³+(aq) + Mn3+ (aq) Cet+ (aq) + Mn³+(aq) → Ce³+(aq) + Mn+ (aq) Mn4+ (aq) + TI+(aq) → Mn²+(aq) + T1³+ (aq)
Based on their available oxidation states, rank the following metals on their ability to catalyze this
and other oxidation-reduction reactions.
Rank from best to worst catalyst. To rank items as equivalent, overlap them.
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vanadium
manganese
titanium
Transcribed Image Text:Based on their available oxidation states, rank the following metals on their ability to catalyze this and other oxidation-reduction reactions. Rank from best to worst catalyst. To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help vanadium manganese titanium
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