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1
2
3
4
Fe + 2 AgCl → FeCl2 + 2 Ag
5
6
7
8
9
Zn2+(aq) + 2 e-  Zn(v) E° = - 0,76 V
Sn4+ (aq) + 2 e-  Sn2+ (aq) E° = 0,38 V
10
11
1. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s) )
2. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s) )
3. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s)| Pt)
4. ( Zn(s) ∥ Zn2+(aq) ∥ Sn4+(aq) ∥ Sn2+(s) )
5. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq), Sn2+(aq) | Pt )
12
13
Na+ + e¯ → Na E0 = - 2,71 V
Cl2 + 2 e¯ → 2 Cl¯ E0 = 1,36 V
14
Ag+(aq) + e- → Ag(v) E0= 0,80 V Fe3+(aq) + e- → Fe2+(aq) E0= 0,77 V
EAg+/Ag= E°Ag+/Ag −
0,059
1
log
1
Ag+
EFe3+/Fe2+= E°Fe3+/Fe2−
0,059
1
log
Fe2+
Fe3+
Onder normomstandigheden: Ag+ + Fe2+ → Ag + Fe3+
15
16
(Cu | Cu2+ (0,025 mol L-1) || Cu2+ (1,50 mol L-1) | Cu)
17
18

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16_Redox_Polls.pptx

  • 1. 1
  • 2. 2
  • 3. 3
  • 4. 4
  • 5. Fe + 2 AgCl → FeCl2 + 2 Ag 5
  • 6. 6
  • 7. 7
  • 8. 8
  • 9. 9 Zn2+(aq) + 2 e-  Zn(v) E° = - 0,76 V Sn4+ (aq) + 2 e-  Sn2+ (aq) E° = 0,38 V
  • 10. 10
  • 11. 11 1. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s) ) 2. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s) ) 3. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq) | Sn2+(s)| Pt) 4. ( Zn(s) ∥ Zn2+(aq) ∥ Sn4+(aq) ∥ Sn2+(s) ) 5. ( Zn(s) | Zn2+(aq) ∥ Sn4+(aq), Sn2+(aq) | Pt )
  • 12. 12
  • 13. 13 Na+ + e¯ → Na E0 = - 2,71 V Cl2 + 2 e¯ → 2 Cl¯ E0 = 1,36 V
  • 14. 14
  • 15. Ag+(aq) + e- → Ag(v) E0= 0,80 V Fe3+(aq) + e- → Fe2+(aq) E0= 0,77 V EAg+/Ag= E°Ag+/Ag − 0,059 1 log 1 Ag+ EFe3+/Fe2+= E°Fe3+/Fe2− 0,059 1 log Fe2+ Fe3+ Onder normomstandigheden: Ag+ + Fe2+ → Ag + Fe3+ 15
  • 16. 16
  • 17. (Cu | Cu2+ (0,025 mol L-1) || Cu2+ (1,50 mol L-1) | Cu) 17
  • 18. 18

Hinweis der Redaktion

  1. Poll Title: Wat is het OG van Mn in a) MnO2 en in b) MnO4- ? https://www.polleverywhere.com/multiple_choice_polls/AANFwQOWQaFCmevOpQoL0
  2. Poll Title: Do not modify the notes in this section to avoid tampering with the Poll Everywhere activity. More info at polleverywhere.com/support Wat is het oxidatiegetal voor beide koolstoffen in ethanol? https://www.polleverywhere.com/multiple_choice_polls/vZ5Y7pki5oVfPEeH9rAM1?flow=Default&onscreen=persist
  3. Poll Title: Duid de geconjugeerde redoxparen correct aan https://www.polleverywhere.com/multiple_choice_polls/p0bvdtHhokews24SKXjof
  4. Poll Title: Welke van volgende beweringen is niet juist? https://www.polleverywhere.com/multiple_choice_polls/actGVQ8pWRQekOZ
  5. Poll Title: Welke van volgende beweringen is niet juist? https://www.polleverywhere.com/multiple_choice_polls/actGVQ8pWRQekOZ
  6. 2 Poll Title: Welke beschrijving komt overeen met de gegeven redoxreacties? https://www.polleverywhere.com/multiple_choice_polls/kLVNByh7P0q68fUf0uDuX
  7. Poll Title: Welke schematische voorstelling geeft de elektrochemische cel juist weer? ( E0(Zn2+/Zn)=0,76V - E(0)(Sn4/Sn2+)=0,15V ) https://www.polleverywhere.com/multiple_choice_polls/XyL1QFDk2fgOIWJ
  8. Poll Title: Do not modify the notes in this section to avoid tampering with the Poll Everywhere activity. More info at polleverywhere.com/support Bereken de celpotentiaal voor bovenstaande reactie in waterig midden. Verloopt deze reactie spontaan? https://www.polleverywhere.com/multiple_choice_polls/xQwCeWsA9smNlZJmVM8E4?flow=Default&onscreen=persist
  9. Poll Title: Onder normomstandigheden: Ag+ + Fe2+ -> Ag + Fe3+. Hoe kan je door de concentraties te veranderen deze reactie in de omgekeerde richting laten verlopen? https://www.polleverywhere.com/multiple_choice_polls/TK1vN3URSQrMjwfOhfjcH Antwoord D
  10. Poll Title: Wanneer wordt voor deze concentratiecel een evenwicht bereikt https://www.polleverywhere.com/multiple_choice_polls/goi63mhPHqidPBf103bNP Wat als celP negatief? Reactie andere richting.. Totdat weer 0 en dan evenwicht