Which of These Is a Possible Anodic Reaction Which Occurs

question 2

Multiple Choice

Which of these is a possible anodic reaction which occurs during the corrosion of iron?

• A)2Fe(s)→ 2Fe²⁺(aq)+ 4e ⁻
• B)2H⁺(aq)+ 2e ⁻ → H₂(g)
• C)2H₂O(l)+ 2e ⁻ → H₂(g)+ 2OH ⁻ (aq)
• D)O₂(g)+ 2H₂O(l)+ 4e ⁻ → 4OH ⁻ (aq)
• E)SO₂(g)+ O₂(g)+ 2e ⁻ → SO₄^{2 −} (aq)

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Initial Margin

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Limit-Buy Order

An order to purchase a security at or below a specified price, ensuring the buyer pays no more than the predetermined price.

Limit-Sell Order

A type of stock market order where a seller sets the minimum price they are willing to accept for a security, and the trade only executes if the market price meets or exceeds that price.

Stop-Loss

An order placed with a broker to buy or sell once the stock reaches a certain price, designed to limit an investor's loss on a security position.