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chemistry unit 5 > Transition Metals > Flashcards

Transition Metals Flashcards

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1
Q

What is a transition metal?

A

An element that forms at least one stable ion with a part full d-shell of electrons.

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2
Q

What is a ligand?

A

Substance that forms a dative bond with a transition metal due to its lone pair.

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3
Q

What is the coordinate number?

A

The number of coordinate bonds to ligands surrounding a transition metal.

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4
Q

What is a complex?

A

A metal surrounded by ligands.

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5
Q

What is a lewis acid?

A

An electron pair acceptor.

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6
Q

What is a lewis base?

A

An electron pair donor.

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7
Q

What does unidentate mean?

A

One coordinate bond.

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8
Q

What does bidentate mean?

A

Two coordinate bonds.

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9
Q

What is an example of a bidentate ligand?

A

1,2-diaminoethane ethanoate ion

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10
Q

What does multidentate mean?

A

EDTA4

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11
Q

What specific transition metal forms linear complexes?

A

Ag+

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12
Q

What is an example of a linear complex?

A

[Ag(NH3)2]+

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13
Q

What forms tetrahedral complexes?

A

Large ligands like Cl-

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14
Q

What is an example of a tetrahedral complex?

A

[CuCl4]2-

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15
Q

What forms a square planar complex?

A

Pt2+

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16
Q

What bond angle does a square planar complex have and what is the coordination number?

A

90° and 4

17
Q

What is the most common complex shape?

A

Octahedral

18
Q

What is an example of a square planar complex?

A

[PtCl4]2-

19
Q

What is an example of an octahedral complex?

A

[Cu(H2O)6]2+

20
Q

What does the overall charge of the complex depend on?

A

The charge of the central metal ion and its ligands.

21
Q

How would you represent a copper with oxidation state 2+?

A

Cu(II)

22
Q

What is the name of a water ligand in a complex?

A

Aqua

23
Q

What is the name of ammonia ligand in a complex?

A

ammine

24
Q

What is the name of chloride ligand in a complex?

A

Chloro

25
Q

What is the name of hydroxide ligand in a complex?

A

Hydroxo

26
Q

What is the name of a cyanide ligand in a complex?

A

Cyano

27
Q

How does naming change if the compound is negative?

A

Ending changes to ate or the latin name used.

28
Q

Why does an O-H bond get weaker when water forms coordinate bond with a transition metal?

A

The bond gets more polar which makes it weaker so it breaks.

29
Q

What does the water ligand become when it is hydrolysed?

A

A hydroxide ion ligand and a free hydroxonium ion (acid)

30
Q

How cool is Katie?

A

Very.

chemistry unit 5 (1 decks)

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