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2 CHAPTER electrochemistry Syllabus am Redox reactions, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch s Law, electrolysis and law of electrolysis (elementary idea), dry cell- electrolytic cells and Galvanic cells, lead accumulator, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and EMF of a cell, fuel cells, corrosion. gr Chapter Analysis D 1 Q. (2 marks) Cell OD 1 Q. (5 marks)# 1 Q. (5 marks)* 1 Q. (3 marks)*# 2018 D/OD 1 Q. (5 marks) ci al Electrode Potential 2017 D OD 1 Q. 1 Q. (3 marks)^ (2 marks) te le 2016 List of Topics An i ke tS ha _o ffi Numerical on emf, Electrode 1 Q. 1 Q. 1 Q. 1 Q. Potential, Molar Conductivity, (3 marks) (2 marks) (3 marks) (5 marks)@ Degree of Dissociation, 1 Q. Standard Gibbs Energy and (3 marks)^ Electrolysis * One question of 5 marks with two choices was asked. *First choice has one numerical of 3 marks and one question of 2 marks on Electrode Potential. #Second choice has one numerical of 3 marks Molar Conductivity and Degree of Dissociation and one question of 2 marks on Electrochemical Cell. ^One question of 3 marks with one numerical of 2 marks on Electrolysis and one question of 1 mark on Secondary Cell was asked. One question of 5 marks with two choices was asked. @First choice has a numerical of 3 marks on Cell Representation and Calculation of E.M.F of a cell and Give Reasons question of 2 marks. Second choice has a numerical of 3 marks on Calculation of E.M.F of a cell and a 2 marks question on Fuel cells. On the basis of above analysis, it can be said that from exam point of view, Cells and numerical on E.M.F., Electrode Potential, Molar Conductivity, Degree of Dissociation, Standard Gibbs Energy and Electrolysis are the most important topics of the chapter. Topic-1 TOPIC - 1 Conductance in Electrolytic Solutions, Specific and Molar Conductivity, Variations of Conductivity with Concentration, Gibbs Energy, Kohlrausch s Law .... P. 30 Revision Notes Topic - 2 Redox Reaction, Electrochemical Cell, Galvanic Cell, EMF of a Cell, Standard Electrode Potential, Nernst Equation .... P. 36 Electrochemistry is the branch of chemistry which deals with the study of the production of electricity from energy released during spontaneous chemical reactions and the use of electrical energy to result in non-spontaneous chemical transformations. Topic - 3 Electrolysis, Laws of Electrolysis, Batteries, Fuel Cells and Corrosion .... P. 44 Conductance in Electrolytic Solutions, Specific and Molar Conductivity, Variations of Conductivity with Concentration, Gibbs Energy, Kohlrausch s Law
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