Solubility 7 Ideal & Non Ideal solutions

Solubility 7 Ideal & Non Ideal solutions

• 1.
  SOLUBILITY – 7 IDEAL& NON-IDEAL SOLUTIONS Presented By: Mr. S.M. Ambore Asst. Professor, DK Patil Institute of Pharmacy, Loha. Nanded
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  LEARNING OUTCOMES…. Ideal Solutions NonIdeal Solutions Comparison between Ideal & Non Ideal Solutions Deviation from Raoult’s Law 2
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  3 IDEAL SOLUTIONS The solutionsin which the interaction between molecules of the components does not differ from the interactions between the molecules of each component in pure form. That means these are those solutions which follows the Raoult’s law.
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  4 NON IDEAL SOLUTIONS Thesolutions in which the interaction between molecules of the components differ from the interactions between the molecules of each component in pure form. That means these are those solutions which does not follows the Raoult’s law.
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  5 Ideal Solutions PA =PA 0 XA PB = PB 0 XB Hmixing = 0 Vmixing = 0 solute-solute = solvent- solvent = solute-solvent Eg. Benzene-Toluene, Chlorobenzene-Bromobenzene Non Ideal Solutions PA = PA 0 XA PB = PB 0 XB Hmixing = 0 Vmixing = 0 solute-solute = solvent- solvent = solute-solvent Eg. Alcohol-Water, Phenol-Water
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  6 +VE DEVIATION PA >PA 0 XA PB > PB 0 XB PTOTAL > PA + PB Hmixing > 0 Vmixing > 0 -VE DEVIATION PA < PA 0 XA PB < PB 0 XB PTOTAL < PA + PB Hmixing < 0 Vmixing < 0 NON IDEAL SOLUTIONS
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  IDEAL SOLUTION 7 DKPatilInstituteofPharmacy PA =PA 0 XA PB = PB 0 XB PTOTAL = PA + PB
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  DEVIATION FROM RAOULT’SLAW 8 DKPatilInstituteofPharmacy +VE DEVIATION -VE DEVIATION PA > PA 0 XA PB > PB 0 XB PTOTAL >PA + PB PA < PA 0 XA PB < PB 0 XB PTOTAL <PA + PB
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  9 +VE DEVIATION A –B < A-A + B-B Intermolecular force of of attraction between Solute –Solvent is less less causing more vapor vapor pressure -VE DEVIATION A – B > A-A + B-B Intermolecular force of of attraction between Solute –Solvent is more more causing less vapor vapor pressure NON IDEAL SOLUTIONS
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  10 Ambore Sandeep