6. What are the two spectator ions present in this reaction? 05, and Na 7. Combi

Question

6. What are the two spectator ions present in this reaction? 05, and Na 7. Combine all the facts above (Questions 1,5, and 6) i. Write a molecular equation for the reaction between the copper (II) nitrate and sodiunm iodide (Hint: there will be three products and one of them is a precipitate Cul) ii. Write the two half reactions (Remember this is a redox reaction) ili. Balance each half reaction using half reaction method Write the balanced molecular equation between the copper (Il) nitrate and sodium iodide. iv. (30 pts)

Explanation / Answer

III)   half reaction method :

oxidation : 2I-(aq) -------------------> I2(g) + 2e-

reduction: Cu+2 (aq) + 2e- ----------------> Cu(s)

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overalll balanced reaction: Cu+2 (aq) + 2I-(aq) ------------> Cu(s) + I2(g)

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