Coordination Compounds, Lecture notes of Chemistry

Highly detailed notes of Coordination Compounds from NCERT class XII, perfect for NEET/JEE or board examination

Typology: Lecture notes

2025/2026

Available from 05/10/2026

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Cordinatton
lompsunds
"
Metal
atons
oonol
to
o.
et
amiens
/ettae
meleees
ly
sehOing
electen.
Ca.Chehohyee-
agneium
Haemogotin
en
Vt.B2
-
Cobalt
henel
teyi
Centrae
Metol
io:
euis
oacial
(eacceptor
2igamds:
leis
base
(e
olona)
Gma
be
&moee
moleuules,
org
ens
a
eem
nachomnolecues/protuns)
DentictyiNo.ate
pair
olonated
by
egonol
a)monoolentote
:
single
olono
ton
b idetute :Tuso oono
atoms
coNea
:
C,
Polydentale
Beae
doer
atems.
"Hegadette
(6):
[EDTA"J
#di-|or
poly-dletate
ligands
wnng
2me
dens
atoimltameusy
ch¿iata
ligomd
.
Achelate
bonpwndy
ene
gtotte than
un
oeutt
compaundpnd
m
#
rmbidentate
eigomals-
ning
twooiyteent
denostom t
at
one thhe
omly
cne
olonater
NO’oygem /Nitoogn
ScN’suajitregenbe
3-Coordinatnhee
CMI+
igamdy
:
4.
Coardinatiemholyhedron:
hatialamgemet
5.
Coerdinatin
o.
:No.ot ligond eovoutems
to
whic
hetl
, bonded.
oxidotieno.
ot
CMI:
Chae
t
would
cary
all eigamas
Homoleptic/
Mettrolate
ligand
pf3
pf4
pf5
pf8
pf9

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Cordinatton lompsunds

" Metal^ atons^ oonol^ to^ o.^

et amiens/ettae

meleees ly sehOing electen.

Ca.Chehohyee- agneium

Haemogotin en

Vt.B2 - Cobalt

henel teyi

Centrae Metol io: euis oacial

(eacceptor

2igamds: leis base (e

Gma olona)

be &moee

eem nachomnolecues/protuns)moleuules,^ org^ ens a

DentictyiNo.ate pair^ olonated by egonol

a)monoolentote : single olono ton

b

idetute :Tuso oono

atoms

coNea

C, Polydentale Beae doer atems.

"Hegadette (6): [EDTA"J

#di-|or

poly-dletate ligands wnng

2me dens

atoimltameusy ch¿iata ligomd

.

Achelate bonpwndy ene

gtotte than un oeutt

compaundpnd m

rmbidentate eigomals-

ning

denostom t^ at^ one thhetwooiyteent omly

cne olonater

NO’oygem /Nitoogn

ScN’suajitregenbe

3-Coordinatnhee4. Coardinatiemholyhedron: : CMI+ igamdyhatialamgemet

Coerdinatin o.^ :No.ot ligond

to whic hetl eovoutems,

bonded.

oxidotieno. ot CMI: Chae t would cary

all eigamas

Homoleptic/ Mettrolate

ligand

NO chelating^ tung Dentiuty "Dentieity : CN. 8- Cernlen inCoohclinatin HAgegote es^ metalion^

hth

(ondinatin re

CMI

Nonendatwe:

" ligamdsoenmed alpiaticag "e, neutral^ conmsln^ in^ Named^ as^ it^ ç

fe

[u(NH3)u]t So

" Potitue pat is named^ tist^ in^ acmlencomhemd^ /

Neute N-Amnmin,o- Auay NO-Nitreyl, PH3- Phospiune

Mn

ini-Fuso euico, o°Grido ,s-sup

Ceso Ng- Arido, - Nitiolo, ydidó

Cotoric ]0, - (^) erygenim, No- (^) itrylim, (^) No,-Niteni (Ntoreinn)

when (^) cenen ion is chin

Denti

Lead

4(Maj be

Mangomee

chsemals Frate Arvgentae

a

plumoale

mangmale

not he

wenes Theey Aea wene(wis^ chemist)^ insto mtrctue ot^ cooraunat^

toeas

Prinany valeny

"Satistied byeustaies

lonisalle

" lant pedit

geometng

Beconalag valemd

.ce

"(oonaon

"Aatistied ry^ (-e)^ utel

seeies. " Non iosale " (^) Predrct the (^) geochg

eumtal esidence W.T

inita'ony otVeT: i) tydeesm^ t

giecolo/enlannit.

oynamic taties V)Nopeediten^

Aegardng tetrohehal flo

stuetuhes ioen't distngth e7w^ wpL'&^

SFL

ystal Reld Theti " tlectratotic^ ymoolel^ cenhdering igand 96 nutral malels.

BARC TERMS :

field

egenerted d'oiblsin M

Aegenente (J'tul i

dyz

    • pl

egset +o.6do

t2set +o.4b

factohs aGtetng cE

X= o. em tg

n octehedhal tield

tag

te

CFSE -0-

ceSE=- 0.

kFSE -1.2do

field CoN=6)

Iwoes ma asunmphns

VI. ab:

6

SFL(aim

SFL

SFL

CESE -0-6,

3

wFL

jCFse z^ -0.

VIl]. d&

2

cSE

WFL

CESE= -0.8 Ao

TCFSE =o

Qs, 1tooms

"for (^) mymneial (^) bidentte (^) ligands:

CHNMZ P

[Mu:

co

NO

khuee eo atom

(fac

at

NN

Tray

Mz

.NM2-cn

Tsans

scthod

&. ophtal Komeikm?

Two to

ophial actieasai enantom

CChia]

ag,camtbe eum i) Deetro (d) (Rotte to

dhulat

3+

detro

8kouetwy

enisoton syo

some (^) nelecula Gamwla, (^) dibteht Suingieny stuctuhe

(Rotute to eett)

’ (^) CMI (^) has (^) olitt

lnage th amident ate lig an.

3.CooidinenYelawitte-N-NO) s6:

3+

itite-ofOND)

en

bl.‘

C-0 be

Rule:

(Chae n deity i metal

nAnt binohy

benane:"M-Cboe

ueto

e >ymdskja T-acid lignd,

y this scttectya ymee ðect s

s

Cabentoacat tal

d-onbftal

Metal

MO- Co

Bonunan meal aenye

Mn (0)’ dsp^ TB.p

Ni (C0)4^ thod’p

Metal

Cangnad

i) Ferome b)r bomded!

a) banabonded:oblw MeuC

tTyees covoletD.c:

arent bond blwM ec:

Q o.CCovalent

enic bona bjuhusent metal &car.

) onic 0.C

ypes

  1. C9dunaton

ponhën someind