Ch 22 Flashcards
Simple cation
Simple anion
Simple compound
Cation Anion
Complex Simple
Simple Complex
Complex Complex
Coordination compound
Coordination compound
A salt that contains a transition metal
monodentate
bites on one site only
ex. NH3, H2O, Halogens, CO
ambidentate
bites on one site only, but can bond on either side
CN-, SCN-, NO2-,
bidentate
attach to metal at two sites
ex. ethylenediamine (en), carbonate, oxalate
polydentate
ethylenediaminetetraacetate ion
chelating agents
break two bonds to release ligand from metal
attach/grab onto metal
to be a _______ you have to break down at least __________ to release the ligand from the _______
chelating agent
2 bonds
metal
EDTA4- is?
a preservative, also used in pepto bismal
Coord. isomerism
same formula, different ingredient in complex ion
linkage isomers
only apply ambidentate ligands
stereoisomers
same formula, diff arrangement
geometric isomers
molecules have same bond, different spacial arrangements
ALWAYS find 2 IDENTICAL pt of reference
optical isomer
same formula, same bond, non superimposable mirror images
ex. hands
needs chiral center
the ______ splitting in coord. complexes is the cause of both ________ and ___________ for these species
d-orbital
COLOR
MAGNETIC BEHAVIOR
Why does the d-orbital split into sets?
its about the orientation of the orbital with respect to the direction of the approach of the ligand
TRUE OR FALSE:
the more repulsive forces, the higher it is on the energy scale
true nigga
what is the visible region of the electromagnetic spectrum
400-700nm
what leads to absorption?
if the energy of the incoming photon is = to the crystal splitting parameter
what determines the magnitude (size) of the crystal splitting parameter?
ligands
magnetism
number of unpaired e-
list the ligands from largest degree of splitting to smallest
and strongest field ligand to weak field ligand
CN- > NO2- > NH3 > H2O > F- > Cl- > Br- > I-
what does it mean if something is low spin?
usually minimum unpaired e-
what does it mean if something is high spin?
usually maximum unpaired e-
diamagnetic
all e- paired
paramagnetic
has unpaired e-