1. Answer the following questions:a) Why aqueous solutions of KMNO4 are not entirely stable?b) What factors affect the decomposition of KMNO4?c) How can you prepare 1L of 0.01M solution of KMnO4 (FW = 158.04g) in thelaboratory?2. Derive and Calculate the equilibrium constant of the reaction?2 Fe3+ + 31 -→ 2 Fe* + P-2 Fe3+ + 2 e-+2 eE = 0.771 VE = 0.536 V-> 2 Fe2+->3. Compare between Galvanic cell and Electrolytic cell?4. Explain how is K¿Cr,07 is applied in titration of Fe (II) solution?5. Why reductants are seldom used for direct titration of oxidized analyte?6. How is sodium thiosulfate solution is used to determine oxidizing agents (suchas ClO) by indirect procedure that involves iodine as an intermediate?

KMnO4 is an intense purple color salt. The color of KMnO4 is so intense due to the charge transfer…

1. Answer the following questions: a) Why aqueous solutions of KMN04 are not entirely stable? b) What factors affect the decomposition of KMNO4? c) How can you prepare 1L of 0.01M solution of KMnO4 (FW = 158.04g) in the laboratory? 2. Derive and Calculate the equilibrium constant of the reaction? 2 Fe3+ + 31 --→ 2 Fe2+ + I3- 2 Fe3+ + 2 e + 2 e 2 Fe+ 31 E= 0.771 V E = 0.536 V

1. Answer the following questions: a) Why aqueous solutions of KMN04 are not entirely stable? b) What factors affect the decomposition of KMNO4? c) How can you prepare 1L of 0.01M solution of KMnO4 (FW = 158.04g) in the laboratory? 2. Derive and Calculate the equilibrium constant of the reaction? 2 Fe3+ + 31 --→ 2 Fe2+ + I3- 2 Fe3+ + 2 e + 2 e 2 Fe+ 31 E= 0.771 V E = 0.536 V

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter13: Electrochemistry

Section: Chapter Questions

Problem 13.101PAE

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