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Electrochemistry Lesson 2 Strength of Oxidizing Agent Lab.

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Presentation on theme: "Electrochemistry Lesson 2 Strength of Oxidizing Agent Lab."— Presentation transcript:

1 Electrochemistry Lesson 2 Strength of Oxidizing Agent Lab

2 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq)

3 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) Sn (s)  Sn 2+ +2e -

4 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) Sn (s)  Sn 2+ +2e - Au 3+ + 3e -  Au (s)

5 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) )

6 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) ) 3Sn (s) +2Au 3+  3Sn 2+ + 2Au (s)

7 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) ) 3Sn (s) +2Au 3+  3Sn 2+ + 2Au (s) Circle each oxidizing agent.

8 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) ) 3Sn (s) +2Au 3+  3Sn 2+ + 2Au (s) Circle each oxidizing agent.

9 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) ) 3Sn (s) +2Au 3+  3Sn 2+ + 2Au (s) The products are favoured in this reaction as it is spontaneous and the strongest oxidizing is on the left.

10 Oxidation Agents Lab Notes Spontaneous Reactions:Sn (s) +Au(NO 3 ) 3(aq) 3(Sn (s)  Sn 2+ +2e - ) 2(Au 3+ + 3e -  Au (s) ) 3Sn (s) +2Au 3+  3Sn 2+ + 2Au (s) The products are favoured in this reaction as it is spontaneous and the strongest oxidizing is on the left.

11 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq)

12 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+

13 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+

14 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+

15 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+ Sn 2+ +Zn (s) Circle each oxidizing agent

16 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+ Sn 2+ +Zn (s) Circle each oxidizing agent

17 Oxidation Agents Lab Notes Nonspontaneous Reactions:Sn (s) +Zn(NO 3 ) 2(aq) Sn (s) +Zn 2+ Sn 2+ +Zn (s) Circle each oxidizing agent the strongest oxidizing agent is on the right for a non-spontaneous reaction

18 Rank the oxiizing agents from strongest to weakest Au 3+ Sn 2+ Zn 2+

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