Chapter 2 HW



Chapter 17 HW

17.1

(a) Briefly explain the difference between oxidation and reduction electrochemical reactions.

(b) Which reaction occurs at the anode and which at the cathode?

17.2

(a) Write the possible oxidation and reduction half-reactions that occur when magnesium is immersed in each of the following solutions: (1) HCl, (2) an HCl solution containing dissolved oxygen, (3) an HCl solution containing dissolved oxygen and, in addition, Fe2+ ions.

(b) In which of these solutions would you expect the magnesium to oxidize most rapidly? Why?

17.27 Briefly describe the two techniques that are used for galvanic protection.

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