Arrange the following metals in decreasing order of their ability to act as a sacrificial anode for protecting iron (Fe) (from most effective/highest oxidation potential to least effective/cannot protect): 1. Magnesium (Mg) 2. Zinc (Zn) 3. Tin (Sn) 4. Copper (Cu) Select the correct option:

Options:

• A: 2 -> 1 -> 4 -> 3
• B: 1 -> 2 -> 3 -> 4
• C: 2 -> 1 -> 3 -> 4
• D: 1 -> 2 -> 4 -> 3

Related Practice Questions:

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