Lecture_Notes_110609b

Lecture_Notes_110609b - Zumdahl Chapter 21 TRANSITION...

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TRANSITION METALS AND COORDINATION CHEMISTRY Zumdahl Chapter 21
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General Properties y More than one oxidation state often found y Cations are often complex ions where the transition metal ion is surrounded by a certain number of ligands y Most compounds are colored y Many compounds are paramagnetic (contain unpaired electrons)
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Oxidation States Transition Metal Common Oxidation States Scandium +3 Titanium +2, +3, +4 Vanadium +2, +3, +4, +5 Chromium +2, +3, +6 Manganese +2, +3, +4, +7 Iron +2, +3 Cobalt +2, +3 Nickel +2 Copper +1, +2 Zinc +2
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What orbital are electrons removed from first when a transition metal is ionized? s-orbita l d-orbita p -o rb ital no t e n ou g h i fo rm a ti o 18% 1% 21% 59% 1. s-orbital 2. d-orbital 3. p-orbital 4. not enough information
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What is the electron configuration of the Cr 3+ ion? [ Ar]4s24d1 [Ar]3 d 1 4 s 2 [Ar]3d44s2 Xe ]5 [Ar]3d3 17% 25% 38% 3% 17% 1. [Ar]4s 2 4d 1 2. [Ar]3d 1 4s 2 3. [Ar]3d 4 4s 2 4. [Xe]5d 1 5. [Ar]3d 3
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Lecture_Notes_110609b - Zumdahl Chapter 21 TRANSITION...

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