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Problem: Which element is oxidized in the reaction below?Fe(CO)5 (l) + 2HI (g) → Fe(CO)4I2 (s) + CO (g) + H2 (g)A) HB) CC) FeD) IE) O

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We’re being asked to identify the element is oxidized in the given reaction:

Fe(CO)5 (l) + 2HI (g) → Fe(CO)4I2 (s) + CO (g) + H2 (g)

To do so, we need to identify the change in oxidation state for each element in the reaction. 

Recall the mnemonic for redox reactions:

Loss Electrons  Oxidation 

Gain Electrons  Reduction

This means the element that gains electrons is reduced while the element that loses electrons is oxidized

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Problem Details

Which element is oxidized in the reaction below?

Fe(CO)5 (l) + 2HI (g) → Fe(CO)4I2 (s) + CO (g) + H2 (g)

A) H

B) C

C) Fe

D) I

E) O

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Redox Reactions concept. If you need more Redox Reactions practice, you can also practice Redox Reactions practice problems.

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Based on our data, we think this problem is relevant for Professor Hatfield's class at UIC.