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

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

Options:

Correct Answer: +3

Exam Year: 2023

Solution:

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

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

What is the common 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 find the oxidation state of iron (Fe), set up the equation: oxidation state of Fe + total oxidation state of Cl = 0.
Step 5: Substitute the values into the equation: oxidation state of Fe - 3 = 0.
Step 6: Solve for the oxidation state of Fe: oxidation state of Fe = +3.

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