Pernyataan tepat tentang sel volta: (1) Energi kimia jadi listrik (2) Elektron dari katode ke anode (3) Anode negatif, elektrolisis anode positif (4) Oksidasi di anode sel volta, reduksi di anode elektrolisis.

Quiz Sel Volta dan Potensial Reduksi

Flashcard
•
Chemistry
•
12th Grade
•
Hard
Rinel Bukhari
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
1,2,3
2.
FLASHCARD QUESTION
Front
Potensial sel Mn/Mn2+//Ag+/Ag:
Back
3,16 V
3.
FLASHCARD QUESTION
Front
Diagram sel volta: Mg2+ | Mg || Cu | Cu2+
Back
Mg2+ | Mg || Cu | Cu2+
4.
FLASHCARD QUESTION
Front
Potensial reduksi: Fe3+|Fe2+ = +0,77 V, Br2|Br- = +1,07 V, I2|I- = +0,54 V, Zn2+|Zn = -0,76 V, Cu2+|Cu = +0,34 V. Reaksi dengan potensial terkecil dan spontan:
Back
Zn + Cu2+ → Cu + Zn2+
5.
FLASHCARD QUESTION
Front
Diagram sel volta: Zn|Zn2+||Pb2+|Pb
Back
Zn|Zn2+||Pb2+|Pb
6.
FLASHCARD QUESTION
Front
Data harga reduksi standar: Ag+ + e- → Ag (Eo = +0,80 V), Pb2+ + 2e- → Pb (Eo = -0,14 V), Ni2+ + 2e- → Ni (Eo = -0,25 V), Fe2+ + 2e- → Fe (Eo = -0,44 V), Cu2+ + 2e- → Cu (Eo = +0,34 V). Notasi sel spontan:
Back
Ag|Ag+||Fe2+|Fe
7.
FLASHCARD QUESTION
Front
Potensial reduksi: Fe3+|Mg2+ = +0,77 V, Cu2+|Cu = +0,34 V, Zn2+|Zn = -0,76 V, Mg2+|Mg = -2,37 V. Reaksi: Mg + 2Fe3+ → Mg2+ + 2Fe2+.
Back
+3.14
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