Chemistry · d- and f-Block Elements
Iron forms dihalides FeX2 and trihalides FeY3. These are known to exist when X and Y are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1X = F, Cl, Br, I and Y = F, Cl, Br, I
- 2X = Cl, Br, I and Y = F, Cl, Br, I
- 3X = F, Cl, Br and Y = F, Cl, Br, I
- 4X = F, Cl, Br, I and Y = F, Cl, Br✓
Correct answer
X = F, Cl, Br, I and Y = F, Cl, Br
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