NCERT Grade 12 Chapter 5, Surface Chemistry deals with some important features of surface chemistry such as adsorption, catalysis and colloids including emulsions and gels. After studying this chapter, students will be able to describe interfacial phenomenon and its significance; define adsorption and classify it into physical and chemical adsorption; explain mechanism of adsorption; explain the factors controlling adsorption from gases and solutions on solids; explain adsorption results on the basis of Freundlich adsorption isotherms; appreciate the role of catalysts in industry; enumerate the nature of colloidal state; describe preparation, properties and purification of colloids; classify emulsions and describe their preparation and properties; describe the phenomenon of gel formation; list the uses of colloids.
Adsorption, Distinction between Adsorption and Absorption, Mechanism of Adsorption, Types of Adsorption, Adsorption Isotherms, Adsorption from Solution Phase, Applications of Adsorption, Catalysis, Homogeneous and Heterogeneous Catalysis, Adsorption Theory of Heterogeneous Catalysis, Shape-Selective Catalysis by Zeolites, Enzyme Catalysis, Catalysts in Industry, Colloids, Classification of Colloids, Classification Based on Physical State of Dispersed Phase and Dispersion Medium, Classification Based on Nature of Interaction between Dispersed Phase and Dispersion Medium, Classification Based on Type of Particles of the Dispersed Phase, Multimolecular, Macromolecular and Associated Colloids, Preparation of Colloids, Purification of Colloidal Solutions, Properties of Colloidal Solutions, Emulsions and Colloids Around Us are the topics discussed in this chapter. NCERT Grade 12 Chapter 5, Surface Chemistry holds a total weightage of 4 marks in the final examination.
Get 100 percent accurate NCERT Solutions for Class 12 Chemistry Chapter 5 (Surface Chemistry) solved by expert Chemistry teachers. We provide solutions for questions given in Class 12 Chemistry text-book as per CBSE Board guidelines from the latest NCERT book for Class 12 Chemistry. The topics and sub-topics in Chapter 5 Surface Chemistry are given below.
Ex 5.1 - Adsorption
Ex 5.1.1 - Distinction between Adsorption and Absorption
Ex 5.1.2 - Mechanism of Adsorption
Ex 5.1.3 - Types of Adsorption
Ex 5.1.4 - Adsorption Isotherms
Ex 5.1.5 - Adsorption from Solution Phase
Ex 5.1.6 - Applications of Adsorption
Ex 5.2 - Catalysis
Ex 5.2.1 - Homogeneous and Heterogeneous Catalysis
Ex 5.2.2 - Adsorption Theory of Heterogeneous Catalysis
Ex 5.2.3 - Shape-Selective Catalysis by Zeolites
Ex 5.2.4 - Enzyme Catalysis
Ex 5.2.5 - Catalysts in Industry
Ex 5.3 - Colloids
Ex 5.4 - Classification of Colloids
Ex 5.4.1 - Classification Based on Physical State of Dispersed Phase and Dispersion Medium
Ex 5.4.2 - Classification Based on Nature of Interaction between Dispersed Phase and Dispersion Medium
Ex 5.4.3 - Classification Based on Type of Particles of the Dispersed Phase, Multimolecular, Macromolecular and Associated Colloids
Ex 5.4.4 - Preparation of Colloids
Ex 5.4.5 - Purification of Colloidal Solutions
Ex 5.4.6 - Properties of Colloidal Solutions
Ex 5.5 - Emulsions
Ex 5.6 - Colloids Around Us.
We cover all exercises in the chapter given below:-
Chapter 5 Exercises - 27 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Surface Chemistry. Download the free PDF of Chapter 5 Surface Chemistry and take the print out to keep it handy for your exam preparation.