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: Principles and Reactions
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Chapter12: Gaseous Chemical Equilibrium
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Problem 23QAP: Ammonium carbamate solid (NH4CO2NH2) decomposes at 313 K into ammonia and carbon dioxide gases. At...
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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 the
laboratory?
2. Derive and Calculate the equilibrium constant of the reaction?
2 Fe3+ + 31 -→ 2 Fe* + P-
2 Fe3+ + 2 e
-
+2 e
E = 0.771 V
E = 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 (such
as ClO) by indirect procedure that involves iodine as an intermediate?
Transcribed Image Text: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 the laboratory? 2. Derive and Calculate the equilibrium constant of the reaction? 2 Fe3+ + 31 -→ 2 Fe* + P- 2 Fe3+ + 2 e - +2 e E = 0.771 V E = 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 (such as ClO) by indirect procedure that involves iodine as an intermediate?
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