Solubility 3: Solvation & Association

Solvation & Association, Factors affecting Solvation & Association, Factors affecting Solubility

1. SOLUBILITY –3
SOLVATION& ASSOCIATION
Presented By:
Mr. S.M. Ambore
Asst. Professor,
DK Patil Institute of Pharmacy, Loha. Nanded

2. LEARNINGOUTCOMES….
Solvation
Association
Factors affecting Solvation
& Association
Factors affecting Solubility
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1.ItisSolute-Solventinteraction.
2.DuetoSolvationsolutegetsstabilizedinsolution.
3.Whenwaterisusedasasolventforsolvation,thenprocess
iscalledasHYDRATION.
4.Unitofsolvationismol/sec.
SOLVATION

4. SOLVATIONFORIONS
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SOLVATIONFORIONS

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DK Patil Institute of Pharmacy
SOLVATIONFORMOLECULES

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DK Patil Institute of Pharmacy
FACTORSAFFECTINGSOLVATION
Factors
Affecting
Solvation
Surface area
(α)
Agitation/
stirring (α)
Temperature
(depends)

8. Itisthephenomenainwhichoppositelychargedions
comestogetherinasolutionandformsadifferent
chemicalentity.
Itisjoiningoradditionofions.
ItiswellexplainedbyCoulomb'sLaw.
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DK Patil Institute of Pharmacy
ASSOCIATION

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DK Patil Institute of Pharmacy
TYPESOFIONPAIR
A < B < C

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Factors
Affecting
Association
Magnitude
of Electric
Charge
Dielectric
Constant
Distance
between
Charges
FACTORSAFFECTINGASSOCIATION

11. REFLECTIONSPOT
Can you guess what will be the factors affecting
Solubility?
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Nature of
Solute/Solvent
Surface area
Temperature
Pressure
pH
FACTORS AFFECTING SOLUBILITY

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