Identify and balance the half-equations in the following unbalanced equation in an acid solution: Cr2O72- + NO2- + H+ --> Cr3+ + NO3- The statement that best describes the balanced half-reactions is:

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Chapter18: Electrochemistry
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question 24

Identify and balance the half-equations in the following unbalanced equation in an acid solution:
Cr2O72- + NO2- + H+ --> Cr3+ + NO3-

The statement that best describes the balanced half-reactions is:

 

Question 24 options:

 

The oxidation half-reaction involves 2 electrons, while the reduction half-reaction involves 2 H+ ions

 

The oxidation half-reaction involves 6 electrons, while the reduction half-reaction involves 2 H+ ions

 

The oxidation half-reaction involves 2 electrons, while the reduction half-reaction involves 14 H+ ions

 

The oxidation half-reaction involves 6 electrons, while the reduction half-reaction involves 14 H+ ions

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