Chemistry · Chemical Reactions and Corrosion
Which compound is the primary component of the reddish-brown coating formed on iron articles when exposed to moist air?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Iron Sulfate (FeSO4)
- 2Hydrated Iron (III) Oxide (Fe2O3·xH2O)✓
- 3Iron (II) Oxide (FeO)
- 4Iron (III) Hydroxide (Fe(OH)3)
Correct answer
Hydrated Iron (III) Oxide (Fe2O3·xH2O)
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