Transistion metals bitch- Big up Canada Flashcards

1
Q

What are the exception metals in terms of electronic configuration?

A

Cr(4s1 3d5) Cu(4s1 3d10)

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2
Q

What is roughly Zeff

A

Z-S(Atomic number-core electrons)

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3
Q

What is Fajans rule?

A

The radii cations contract compared to neutral element, and anions expand.

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4
Q

IP is proportional to what?

A

Zeff ^2/n^2

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5
Q

What happens to IP when going from 3d6-3d5 and visa versa?

A

Lower,Higher

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6
Q

What is the relationship between Eaffinity and Zeff?

A

Zeff is high

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7
Q

What kind of isomer exists for this complex:
[Co(NH3)5Br]Cl
What kind of isomerism is this?

A

[Co(NH3)5Cl]Br

Ionisation

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8
Q

Give the isomer of [CrCl2(H2O)4]Cl . 2H2O

What kind of isomerism is this?

A

[CrCl(H2O)5]Cl2.H2O

Solvate isomerism

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9
Q

[Co(bpy)2(CN)2]+[Fe(bpy)(CN)4]-

What isomers exist for this? What type is this?

A

[Fe(bpy)2(CN)2]+[Co(bpy)(CN)4]-
[Fe(bpy)3]3+[Co(CN)6]3-
Coordination isomerism

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10
Q

For a 4 coordinated metal complex, give the general formula(s) of complexes that are optical isomers

A

M(ABCD)

M(AB)2 (bidentate)

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11
Q

For octahedral, general formula for isomers?

A

M(A2B2C2)
M(A^A)3
MA2(B^B)2

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12
Q

Give the A equation, what value for a certain parameter can define if it is Laporte-forbidden?

A

A=ecl

e<100

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13
Q

What is the Aufbau principle and the Hund rule?

Which one is applied for HS?

A

Aufbau-Electrons poulate lowest orbital first
Hund- Electrons occupy degenerate orbitals to maximise parallel spins.
Hunds rule.

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14
Q

CN-,F-,H2O, what assumptions can be made for CFT?

A

CN- always LS, F- for 1st row all HS, H2O usually high spin.

2nd 3rd row always LS

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15
Q

Give 2 reasons why deltaT is less than deltaO

A
  • No orbitals point directly at ligands

- 4 ligands rather than 6

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16
Q

When do you expected tetrahedral geometry?

A

Hot d3,4,8,9

17
Q

True/false, tetrahedral can be either HS or LS.

A

False always HS