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Using the Standard Reduction Potential Table, use half-reaction potentials to identify whether the following redox reactions are spontaneous or non-spontaneous. All the reactants and products are in their standard states.

Using the Standard Reduction Potential Table, use half-reaction potentials to identify whether the following redox reactions are spontaneous or non-spontaneous. All the reactants and products are in their standard states.

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.108QE: At 298 K, the solubility product constant for solid Ba(IO3)2 is 1.5 109. Use the standard reduction...
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Using the Standard Reduction Potential Table, use half-reaction potentials to identify
whether the following redox reactions are spontaneous or non-spontaneous. All the reactants
and products are in their standard states.

Table 2. Spontaneity of Redox Reactions Spontaneo us? Half-cell Half-cell E°oxidatio E°reductio E°redox Redox Reaction Reaction Reaction (Oxidation) (Reduction) Yes No 0.54 V -2.87 V -2.33 V No Ca²*(aq) + 2 I (aq) Ca(s + I2(aq) Ca2* (ag) + 2e → Ca(s) 2 l'jaq) → I2{aq) + 2e- 1.) Pb2*(aq) + 21- - Pb(s) + I2(g) 2.) Mg2*(aq) 2Br-(aq) + Br2g). 3.) 2 H*(aq) 2 Br (aq) → H2(g) + Br2tag) 4.) Ce4*(aq) Fe2*jag) → Ce3*(aq) + Fe3*(aq). 5.) Cr²*(aq) + Cu2*(aq) Cr*(aq) Cu*laq) - Mg s) + + +
Transcribed Image Text:Table 2. Spontaneity of Redox Reactions Spontaneo us? Half-cell Half-cell E°oxidatio E°reductio E°redox Redox Reaction Reaction Reaction (Oxidation) (Reduction) Yes No 0.54 V -2.87 V -2.33 V No Ca²*(aq) + 2 I (aq) Ca(s + I2(aq) Ca2* (ag) + 2e → Ca(s) 2 l'jaq) → I2{aq) + 2e- 1.) Pb2*(aq) + 21- - Pb(s) + I2(g) 2.) Mg2*(aq) 2Br-(aq) + Br2g). 3.) 2 H*(aq) 2 Br (aq) → H2(g) + Br2tag) 4.) Ce4*(aq) Fe2*jag) → Ce3*(aq) + Fe3*(aq). 5.) Cr²*(aq) + Cu2*(aq) Cr*(aq) Cu*laq) - Mg s) + + +
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