B- abe X, x2StylesStylesPane2) 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°oxthem from the easiest to oxidize to the hardest to oxidize.value.) Rankb) Write the half-reaction for the reduction of H'.c) Which of these metal solids can be oxidized by acid, H'? Justify your answerd) 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 betweenone 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).

The reactivity series arranger metals in their increasing order of reactivity. The more reactive metals are easily oxidised compared to the less reactive metals, The order of reactivity is given as potassium > sodium > calcium > magnesium > aluminium > zinc > iron > tin > lead >hydrogen>copper > silver > gold > platinum. The more reactive metals can displace the less reactive metals.(a) Here, the given metals are Al, Fe, Ag, Na, Co, Au, Ca. The decreasing order of oxidation is, Na>Ca>Al>Fe>Co>Ag>Au (b) The half-reaction for the reduction of H+ is given as, 2H+ + 2e-→H2 (c) The metals which are less reactive than hydrogen can only be oxidized by hydrogen. Here the reactivity of Ag and Au is less than that of hydrogen, so they can be oxidized.

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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

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

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

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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