What is the primary oxidation state of iron in FeCl3? (2023)

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Question: What is the primary oxidation state of iron in FeCl3? (2023)

Options:

Correct Answer: +3

Exam Year: 2023

Solution:

In FeCl3, iron (Fe) has a primary oxidation state of +3.

What is the primary oxidation state of iron in FeCl3? (2023)

What is the primary oxidation state of iron in FeCl3? (2023)

Step 1: Identify the compound, which is FeCl3.
Step 2: Recognize that Cl (chlorine) typically has an oxidation state of -1.
Step 3: Since there are 3 chlorine atoms in FeCl3, calculate the total oxidation state contributed by chlorine: 3 * (-1) = -3.
Step 4: To balance the overall charge of the compound (which is neutral, or 0), the oxidation state of iron (Fe) must be +3.
Step 5: Therefore, the primary oxidation state of iron in FeCl3 is +3.

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