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For the following electron-transfer reaction: 1₂(s) + Co(s). — 2I(aq) + Co2+(aq) The oxidation half-reaction is: + The reduction half-reaction is: + +

For the following electron-transfer reaction: 1₂(s) + Co(s). — 2I(aq) + Co2+(aq) The oxidation half-reaction is: + The reduction half-reaction is: + +

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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For the following electron-transfer reaction: \[ \text{I}_2(s) + \text{Co}(s) \longrightarrow 2\text{I}^-(aq) + \text{Co}^{2+}(aq) \] ### The oxidation half-reaction is: \[ \boxed{\text{Co}(s)} + \boxed{\text{0}} \longrightarrow \boxed{\text{Co}^{2+}(aq)} + \boxed{\text{2e}^-} \] ### The reduction half-reaction is: \[ \boxed{\text{I}_2(s)} + \boxed{\text{2e}^-} \longrightarrow \boxed{2\text{I}^-(aq)} + \boxed{\text{0}} \] This example demonstrates the division of the overall reaction into oxidation and reduction half-reactions. In the oxidation half-reaction, cobalt (Co) is oxidized to cobalt ions (\(\text{Co}^{2+}\)), losing electrons. In the reduction half-reaction, iodine (\(\text{I}_2\)) gains electrons to form iodide ions (\(\text{I}^-\)).
Transcribed Image Text:For the following electron-transfer reaction: \[ \text{I}_2(s) + \text{Co}(s) \longrightarrow 2\text{I}^-(aq) + \text{Co}^{2+}(aq) \] ### The oxidation half-reaction is: \[ \boxed{\text{Co}(s)} + \boxed{\text{0}} \longrightarrow \boxed{\text{Co}^{2+}(aq)} + \boxed{\text{2e}^-} \] ### The reduction half-reaction is: \[ \boxed{\text{I}_2(s)} + \boxed{\text{2e}^-} \longrightarrow \boxed{2\text{I}^-(aq)} + \boxed{\text{0}} \] This example demonstrates the division of the overall reaction into oxidation and reduction half-reactions. In the oxidation half-reaction, cobalt (Co) is oxidized to cobalt ions (\(\text{Co}^{2+}\)), losing electrons. In the reduction half-reaction, iodine (\(\text{I}_2\)) gains electrons to form iodide ions (\(\text{I}^-\)).
Expert Solution
Step 1: Introduction to redox reaction

Redox reaction is a type of chemical reaction where the  oxidation and the reduction reactions occur simultaneously. 

Here we are required to find the half reactions for the given redox reaction. 

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