Coordination Compounds formulas

Every formula JEE Advanced expects you to know for Coordination Compounds, with the variables spelled out. Free, no sign-up. Read it before a mock, not during one.

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Formulas: 22
Subject: Chemistry
Exam: JEE Advanced
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Coordination Compounds, every formula

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Coordination number
$C N = number of ligand donor atoms bonded to the metal$
Oxidation state of metal
$sum of charges = net charge of complex$
EAN (effective atomic number)
$E A N = Z - ox. state + 2 \times C N$
Spin-only magnetic moment
$μ = n (n + 2) BM$
n = unpaired electrons
CFSE (octahedral)
$C F S E = (- 0.4 n_{t_{2 g}} + 0.6 n_{e_{g}}) Δ_{o}$
Crystal field splitting order
$Δ_{o} > Δ_{t}$
Tetrahedral splitting
$Δ_{t} = \frac{4}{9} Δ_{o}$
Pairing vs splitting
$Δ_{o} > P \Rightarrow low spin; Δ_{o} < P \Rightarrow high spin$
Werner primary valence
$oxidation state (ionizable)$
Werner secondary valence
$coordination number (non-ionizable)$
Geometrical isomers (MA₂B₂ square planar)
$cis and trans$
Optical isomers
$non-superimposable mirror images$
Ionization isomerism
$exchange of ligand and counter-ion$
Linkage isomerism
$ambidentate ligand binds through different atoms$
Chelate effect
$polydentate ligands increase stability$
Denticity
$number of donor atoms per ligand$
Stability constant
$K_{f} = \frac{[ complex ]}{[ metal ] [ ligand ] ^{n}}$
Spectrochemical series
$I^{-} < B r^{-} < C l^{-} < F^{-} < H_{2} O < N H_{3} < C N^{-} < C O$
d-electron count
$d^{n} = group number - ox. state$
Strong field ligands
$cause low-spin, larger Δ_{o}$
Colour of complexes
$due to d - d transitions$
Charge of complex ion
$metal charge + \sum ligand charges$

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Coordination Compounds formulas

Coordination Compounds, every formula

Coordination number

Oxidation state of metal

EAN (effective atomic number)

Spin-only magnetic moment

CFSE (octahedral)

Crystal field splitting order

Tetrahedral splitting

Pairing vs splitting

Werner primary valence

Werner secondary valence

Geometrical isomers (MA₂B₂ square planar)

Optical isomers

Ionization isomerism

Linkage isomerism

Chelate effect

Denticity

Stability constant

Spectrochemical series

d-electron count

Strong field ligands

Colour of complexes

Charge of complex ion

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