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CHM1022 > 9. Ligands and their Complexes > Flashcards

9. Ligands and their Complexes Flashcards

1
Q

What is Argentate?

A

the Latin name for silver

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2
Q

What is Aurate?

A

the Latin name for gold

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3
Q

What does bidentate mean?

A

describes ligands with two donor atoms that can be simultaneously attached to the same metal ion

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4
Q

What is a chelate ring?

A

the ring formed when a polydentate ligand coordinates to a transition metal ion

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5
Q

What is Cuprate?

A

the Latin name for copper

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6
Q

What is Ferrate?

A

the Latin name for iron

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7
Q

What is a formation constant?

A

an equilibrium constantfor theformationof a complex in solution. It is a measure of the strength of the interaction between the reagents that come together to form the complex

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8
Q

What is a Lewis base?

A

an electron pair donor

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9
Q

What is a ligand?

A

a molecule or an anion that can coordinate to a transition metal ion to form a complex

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10
Q

What is a macrocycle?

A

a cyclic macromolecule or a macromolecular cyclic portion of a molecule

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11
Q

What does monodentate mean?

A

describes a ligand that can coordinate to a metal ion using only one donor atom

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12
Q

What is nuclearity?

A

Thenuclearityof a single coordination entity indicates the number of central atoms joined by bridging ligands or metal-metal bonds

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13
Q

What does Plumbate mean?

A

the Latin name for lead

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14
Q

What does Stannate mean?

A

the Latin name for tin

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15
Q

What is a bridging ligand?

A

aligandthat connects two or more atoms, usually metal ions

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16
Q

What are chelate complexes?

A

a complex ion containing one or more chelate rings

17
Q

What is the chelate effect?

A

the larger value of the cummulative formation constant (βn) found for complexes containing chelate rings when compared with analogous complexes containing monodentate ligands

18
Q

What is a coordinate bond?

A

a covalent bond between a Lewis acidic metal ion and a Lewis basic ligand in which both electrons originate from the ligand

19
Q

What is a dative bond?

A

A coordinate bond

20
Q

What is a donor atom?

A

an atom of a ligand in a complex that is directly coordinated to the transition metal ion

21
Q

What is a donor covalent bond?

A

A coordinate bond

22
Q

What are organometallic compounds?

A

a compound containing a carbon-metal bond

23
Q

What does polydentate mean?

A

describes a ligand containing two or more atoms that can coordinate simultaneously to a metal ion

24
Q

True or False: chelate rings are thermodynamically very stable

A

True

25
Q

Are cations or anions written first when naming coordination compounds?

A

Cations

26
Q

How do you name a ligand that has two potential donor atoms?

A

The Greek letter kappa, K, is used

i.e. Thiocyanato-kS (coordinated through sulfur)

27
Q

How do you name a negatively charged complex?

A

The suffix ‘-ate’ is added to the metal

CHM1022 (13 decks)

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