Chemistry Transition metals

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  • Created by: Mark18
  • Created on: 15-05-14 19:53
State 4 chemical properties of transition metals
Variable oxidation states, coloured ions, catalysis, complex formation
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When an transition metal ion is formed where are the electrons lost from
The 4s2 orbitals and then the 3d orbitals
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What is the definition of a transition metals
An element which forms at least one stable ion with a part full d-shell of electrons
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What is the coordination number
The number of co-ordinate bonds to the ligand
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What is a multi-dentate ligand
A ligand with more than one lone pair available for a coordinate bond
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State a complex ion with a square planar shape
[Ni(CN)4]2- , [Pt(NH3)2(Cl)2]
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State a complex ion with a linear shape
[Ag(NH3)2]+
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State a complex ion with a tetrahedral shape
[Co(Cl)4]2-
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State a complex ion with a octahedral shape
[Co(H20)6]2+
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State the expression that links frequency of light to energy difference
ΔE = hv
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What is the reaction between MnO4- and Fe2+
5Fe2+ + MnO4- + 8H+ -------> 4H2O + Mn2+ + 5Fe3+
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What is the reaction between Cr2O7 2- and Fe2+
Cr2O7 2- + 6Fe2+ +14H+ -------> 7H2O + 6Fe3+ + 2Cr3+
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Card 2

Front

When an transition metal ion is formed where are the electrons lost from

Back

The 4s2 orbitals and then the 3d orbitals

Card 3

Front

What is the definition of a transition metals

Back

Preview of the front of card 3

Card 4

Front

What is the coordination number

Back

Preview of the front of card 4

Card 5

Front

What is a multi-dentate ligand

Back

Preview of the front of card 5
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