Sel volta: Ag+ + e → Ag (E0= +0,80V), Cu2+ + 2e → Cu (E0= +0,34V). Pernyataan benar:

kuis kelas XII

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Chemistry
•
12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Potensial selnya = 0,46
2.
FLASHCARD QUESTION
Front
Sel volta: Elektrode Cu (E° = +0,34 V) dan Ag (E° = +0,80 V).
Back
Cu sebagai kutub negatif.
3.
FLASHCARD QUESTION
Front
Zn2+ + 2e → Zn (E° = -0.76 V) | Cu2+ + 2e → Cu (E° = +0.34 V) | Potensial sel Zn + Cu2+ → Zn2+ + Cu
Back
+1.10 V
4.
FLASHCARD QUESTION
Front
Reaksi: Ni(s) + 2AgNO3(aq) → Ni(NO3)2(aq) + 2Ag(s). Bagan sel volta:
Back
Ni | Ni2+ || Ag+ | Ag
5.
FLASHCARD QUESTION
Front
Sel volta: Ag dalam Ag+ 1M, Zn dalam Zn²⁺ 1M. E° Ag = +0,80 V, E° Zn = -0,76 V. Pernyataan tidak benar:
Back
Reaksi sel: 2 Ag + Zn²⁺ → 2 Ag²⁺ + Zn
6.
FLASHCARD QUESTION
Front
Pernyataan yang tidak sesuai dengan kaidah sel volta:
Back
3. Katode adalah elektrode positif.
7.
FLASHCARD QUESTION
Front
Zn+2 / Zn Eo = –0,76 V; Cu+2 / Cu Eo = +0,34 V. Potensial sel (Eo sel) adalah ...
Back
+1,10 Volt
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