Complex Formation

What are ligands?
Molecules with one or more pairs of lone pairs of electrons.
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What type of bonds do ligands form?
Dative covalent
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What is the number of bonds between the central metal and ligands called?
Co-ordination number
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If a complex has a co-ordination number of 6, then the shape will be...
Octahedral
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If a complex has a co-ordination number of 4, the shape will be...
Tetrahedral/Square Planar
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If a complex has a co-ordination number of 2, the shape will be...
Linear
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What is it called when a ligands and central metal form one bond?
Monodentate
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What is it called when a ligands and central metal form two bonds?
Bidentate
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What is it called when a ligands and central metal form many bonds?
Polydentate
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If the molecule is water, what is the name of the ligand?
Aqua
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If the molecule is ammonia, what is the name of the ligand?
Ammine
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If the molecule is hydroxide ion, what is the name of the ligand?
Hydroxo
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If the molecule is cyanide ion, what is the name of the ligand?
Cyano
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Which ligand is polydentate?
Edta
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Which ligand is bidentate?
Ethanedioate
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What number does the prefix tetra- mean?
four
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If the overall charge on the molecule is negative, you use the ....... name to name the central metal.
Latinised
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The colour the complex solution appears, is the ...... colour it absorbs.
Complementary
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The latinised name for copper is
Cuprate
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The latinised name for lead is
Plumbate
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When can a ligand displace another?
When the ligand is more stable
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Ligand substitution reactions are also known as ligand ... reactions.
Exchange
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What is the appearence of Fe(OH)2 (s)?
Green gelatinous solid
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What is the appearence of Fe(OH)3 (s)?
Orange gelatinous solid
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What is the appearence of Cu(OH)2 (s)?
Pale blue solid
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The larger the value of the stability complex, the ... stable a complex is.
more
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Other cards in this set

Card 2

Front

What type of bonds do ligands form?

Back

Dative covalent

Card 3

Front

What is the number of bonds between the central metal and ligands called?

Back

Preview of the front of card 3

Card 4

Front

If a complex has a co-ordination number of 6, then the shape will be...

Back

Preview of the front of card 4

Card 5

Front

If a complex has a co-ordination number of 4, the shape will be...

Back

Preview of the front of card 5
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Lacey Read

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Repeat for different set of questions!

kel

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