Chaoter 2£ Flashcards
Remmebe concentration li sit ion for predicting e cell
Everything is assumed 1 moldsim-3, if it’s greater EQUILBKRUM shifts, if the electrons used up less negative if more produced makes more newgrife
What. Ames trbsdjtom
This if there is at lest d one ion that has a partially ful d orbital in them
Sn and zn are the only two d block that aren’t bscusde has full and empty, but not partially ful,
Forming 3+ for sc and 2+ for sinc
3 characrerisict oroeoties of transitions elemtnd
They form colours in soltuoj
Can form various oxidation states l
Can act as CALAYSTS
What does colour depend on
The oxidation. State
Fr 3+ green, cr 6+ iange
Got reduced as it is an xoidifn agent
a remmebe when do the colours show?
Only in awueousnform
Dalsysts
Contact prices v2o5
Haber process ironn
BENEFITS OF CALAYST
Reduced energy usage
Prevents toxicity from TRANSITION METALS
When 4
If chlorine ions used then it will be tetrahedral as they ar e it looks
If platinum gold etc then square planar
Cis trans octahedral
Cis long as two are next ti each other, must be two standkone and when opposite trans
First all when we do predication with ammonia what happens
Bun the whole ammonia off it just becomes cu + Oh auto make the predicate lit just show thst
Colour changes ligand sub
Hexa copper
Hexa cooler = pale blue
Add ammonia forms blue lrecioste if cipper hdyrocide l
Sdd excess ammonia and ligand sun happens ti form dark blue! Copper 4 ammonia 2 water
(Dissolves )
Add drop wise
Hexa copper and chlorine
Forms a reversible reaction, add chlorine copper 4 chlorine 2- , and thus js yellow
So pale blue to yellow, it ermdisye green
CR hexa 3 + + ammonia
INITAL colour = VIOLET
Add nh3 orecuoste which is grey green
Continue to add nh3
Becomes Cr nh3 6 and PURPLE COLOUR
Haemoglobin
Problem with carbon monoxide?
Each hamelglobin made from 4 conjugate proteins with iron ion in them, these bind to oxygen that carried to make oxyharbigkogijn, then drops
Also binds with carbon dioxide to carry back timounhe
2) problem with Cabrini mini de is that this binds much more sting then oxygen so finitnrocued soon ebeytbging filled with this + irreversible sonfewth
Remmebe Arole if HAEMOGLOBIN FOR BRETSHIGN IN AND OUT
Breath I carry oxygen out CARBIN dioxide
Remmebe fir thr cioler snd chop,opine AMMONIA NOT ADDED
what’s added this time
This time COCNENTRSTED HCL IS ADDED IN OLADE IF AMMNIA TO ORIFER THR CL- IONS
What is a predication resfiotn
When two anions soktuojs come to make a solid
Here we gonna do this by RESCTION trans ion Keemun ions with SODIUM HYDROIDE IR AMMONIA Z, BITH SAME THING
Prefisptiok for Mn2+ and cr 3+
Pale pink light brown
Cr3+ violet then grey green then dissolved in EXCESS NAOH OR AMMONIA to form dark green hexa chromium
I read reactions and colours
MNo4 to Mn with iron
This is purple to copurleee, and first sign of pale pink stop
Fe 3+ to fe 2+ reduced so 2I- toI2 oxidised
Fe 3+ yellow bro,Ed’s pale green
However browm fro, idoidne shown too
Cr2072-
Orange ti green
REDOX REACTION OF CU2+ TO CU+ WITH IODINE AND COLOURS
Cu2+ reduced to cu+
2I- licked to iodine
But make 4 I - and this makes cuI too which is a WHITE PREFIOSORE
And I2 is Brianna
So pale blue becomes white precipitate snd brown
Dispeootinwtion if copper, what colours are copper SOLID easy and copperuskfsge
Any copper compound ish aqueous sis blue
Copper solid brown
Cooed idiodie is white
Hard colours ti remmebe
So copper iodide white
Copper brown
Violet cr3 + grey green dark green
Quaktiive tedts
Cwbrinste = nitrified acid effervescence
Sufkste = barium nitrate barium sukfate white orefispt e
Halide ions = silver nitrate and milk cream butter tinderernine
How to confide silver halide test
Solubility DECREASEs lower you go
Ckbkrine will be soluble in conc
Beijing only cinc not dilute
Iodine won’t be in conc either IMSOLUBLE
R,ember caviars
Why must order be csbrinste suffered and then silver
Do the silver one last, if do first and there are carbonates and sukfated and not silver, it will produce whitenorefiosted anyways
SILVER PRODUCES WHITE PRECIPATED A
AND THEN barium produced one with csbrinste too so must be done second
Doing csbrinste one first wedge of mind as you know for sure nothing else produced bubbled
