2) Corrosion is the oxidation of metals. Acids can also cause corrosion. Consider the metal solids: AI, Fe, Ag, Na, Co, Au and Ca. a) Rank these metal solids on how easily they are oxidized. (Hint: Consider their E°ex value.) Rank them from the easiest to oxidize to the hardest to oxidize. I b) Write the half-reaction for the reduction of H'. c) Which of these metal solids can be oxidized by acid, H'? Justify your answer

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Chapter1: Chemical Foundations
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2) Corrosion is the oxidation of metals. Acids can also cause corrosion.
Consider the metal solids: Al, Fe, Ag, Na, Co, Au and Ca.
a) Rank these metal solids on how easily they are oxidized. (Hint: Consider their E°ox
them from the easiest to oxidize to the hardest to oxidize.
value.) Rank
b) Write the half-reaction for the reduction of H'.
c) Which of these metal solids can be oxidized by acid, H'? Justify your answer
d) Which of these metal solids cannot be oxidized by acid, H'? Justify your answer.
e) Write the balanced net ionic equation for the spontaneous redox reaction that occurs between
one of the metals that can be oxidized by H'. Indicate the value of E°cel.
f) Can Br2(/) be stored in a silver metal bucket? Explain why or why not.
g) Explain why HCl cannot oxidize copper metal but can HNO, can.
(Hint: Consider the ions present in solution and their strength to oxidize copper.)
3) Consider the molecules and ions, Fe"(ag), Cd(OH):(s), So? (ag), Al(s), I (ag), and Cr2O, (ag).
NOTE: Cd(s) is NOT the same as Cd(OH)2(s).
Transcribed Image Text:B - abe X, x2 Styles Styles Pane 2) Corrosion is the oxidation of metals. Acids can also cause corrosion. Consider the metal solids: Al, Fe, Ag, Na, Co, Au and Ca. a) Rank these metal solids on how easily they are oxidized. (Hint: Consider their E°ox them from the easiest to oxidize to the hardest to oxidize. value.) Rank b) Write the half-reaction for the reduction of H'. c) Which of these metal solids can be oxidized by acid, H'? Justify your answer d) Which of these metal solids cannot be oxidized by acid, H'? Justify your answer. e) Write the balanced net ionic equation for the spontaneous redox reaction that occurs between one of the metals that can be oxidized by H'. Indicate the value of E°cel. f) Can Br2(/) be stored in a silver metal bucket? Explain why or why not. g) Explain why HCl cannot oxidize copper metal but can HNO, can. (Hint: Consider the ions present in solution and their strength to oxidize copper.) 3) Consider the molecules and ions, Fe"(ag), Cd(OH):(s), So? (ag), Al(s), I (ag), and Cr2O, (ag). NOTE: Cd(s) is NOT the same as Cd(OH)2(s).
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