Coordination Chemistry Flashcards

1
Q

Dative Bonding

A

Donation of lone electron pair in a molecular bond to a metal ion and resulting attraction

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2
Q

Ligand

A

Atom that forms a direct dative bond with metal ion

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3
Q

Covalent Bond Structure Name

A

Molecules

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4
Q

Ionic Bond Structure Name

A

Compound

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5
Q

Dative Bond Structure Names

A

coordination compound (neutral, can be a single neutral molecule or a single charged molecule (complex ion) and it’s counter ions) or coordination complex ion (charged)

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6
Q

Coordinate Chemistry Def.

A

Study of activity between transition ions and other molecules/ions

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7
Q

Lewis Acid Def.

A

Species that accepts an electron pair. Matal Ion. Becomes more negatively charged

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8
Q

Lewis Base Def.

A

Species that donates a pair of electrons. Ligand. Becomes more positively charged

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9
Q

Bronsted-Lowrey Acid

A

Proton Donor

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10
Q

Bronsted-Lowrey Base

A

Proton Acceptor

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11
Q

Arrhenius Acid Def.

A

Substance that ionizes to produce H+ in an aqueous solution

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12
Q

Arrhenious Base

A

Substance that ionizes to produce OH- in aqueous solution

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13
Q

Coordination number

A

No. of donor atoms in complex

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14
Q

Ligand Denticity Def.

A

No. of donor atoms in a dative bond. Way of classifying ligands eg monodentate

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15
Q

Why might an atom have 2 lone pairs but still be monodentate

A

2nd lone pair may not bind to metal ions as to bind to it needs to face same direction

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16
Q

Example of monodentate ligands

A

F-, OH-, H2O and H2O

17
Q

Examples of bidentate ligands

A

Oxalate ion (C2O4-), ethylene diamine

18
Q

Oxidation State of Metal Ions

A

Charge of overall molecule - charge of bases

19
Q

Shape at coordination number 2

A

linear

20
Q

Shape at coordination number 4

A

tetrahedral or square planar (when 3d8)

21
Q

Shape at coordination number 6

A

octahedral

22
Q

Cisplatin Structure

A

Square Planar (flat), lewis acid (platinum) and 4 leis bases (2 NH3 and 2 Cl)

23
Q

Examples of bidendate

A

oxalate