Surface Chemistry Handwritten Notes | Chemistry Class 12 Chapter 5 | Surface Chemistry Notes for Board Exams | STAR tube Notes

Unit 5
Surface Chemistry

Surface Chemistry Handwritten Notes 

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It is the branch of chemistry which deals with the study of surface phenomena such as adsorption,catalysis and colloids.

◆ Interface

◆ Adsorption

• Adsorbate
• Adsorbent
• Desorption
• Occlusion

◆ Adsorption in action

◆ Difference between Adsorption and Absorption

◆ Mechanism of Adsorption

◆ Adsorption - an exothermic process

◆ Entropy change during adsorption and adsorption equilibrium

◆ Positive and Negative Adsorption

◆ Types of Adsorption

• Physical adsorption or Physisorption
• Chemical adsorption or Chemisorption

◆ Comparison between Physisorption and Chemisorption

◆ Factors affecting Adsorption of Gases on Solids

• Nature of the gas
• Nature of Adsorbent
• Specific Area
• Pressure
• Temperature

◆ Application of Adsorption

◆ Catalysis

• Positive Catalysis
• Negative Catalysis

◆ Promoters and Poisons

◆ Types of Catalysis

• Homogeneous Catalysis
• Heterogeneous Catalysis

◆ Mechanism of Heterogeneous equilibrium

◆ Important features of solid catalysts

◆ Shape-Selective Catalysis by Zeolites

◆ Enzyme Catalysis

◆ Characteristics of enzyme catalysis

◆ Mechanism of enzyme catalysis

◆ Colloids

◆ Distinguish b/w True solution , Colloids and Suspensions

◆ Classification of Colloids

◆ Cleansing action of soaps

◆ Comparison b/w multimolecular, macromolecular and associated colloids

◆ Methods of preparation of colloids

◆ Purification of Colloidal Solutions

◆ Properties of Colloidal Solutions

◆ Hardy-Schulze Rules

◆ Coagulating/Flocculating Value

◆ Coagulation of lyophilic colloid

◆ Protective Colloid

◆ Gold Number

◆ Emulsions

◆ Emulsification

◆ Demulsification

◆ Colloids Around Us

◆ Application of Colloids

 

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