Potensial elektrode: Cr3+(aq) + 3 e → Cr(s) Eø = -0,71V; Ag+(aq) + e → Ag(s) Eø = +0,80V; Al3+(aq) + 3 e → Al(s) Eø = -1,66V; Pt2+(aq) + 2 e → Pt(s) Eø = +1,50V; Zn2+(aq) + 2 e → Zn(s) Eø = -0,74V. Reaksi spontan, kecuali...
SEL VOLTA

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Chemistry
•
12th Grade
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Hard
SITI MONALISA
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1.
FLASHCARD QUESTION
Front
Back
Ag+(aq) + Pt(s) → Pt2+(aq) + Ag(s)
2.
FLASHCARD QUESTION
Front
Potensial sel tertinggi: Mg/Mg²⁺(aq)//Cu²⁺(aq)/Cu
Back
Mg/Mg²⁺(aq)//Cu²⁺(aq)/Cu
3.
FLASHCARD QUESTION
Front
Zn2+ + 2 e → Zn (Eo = -0,76 V); Cu2+ + 2 e → Cu (Eo = +0,34 V). Pernyataan tidak tepat:
Back
ion Zn2+ lebih mudah tereduksi dibanding ion Cu2+.
4.
FLASHCARD QUESTION
Front
Eo Zn = -0.76 V, dalam keadaan standar:
Back
ion H+ lebih mudah tereduksi daripada ion Zn2+
5.
FLASHCARD QUESTION
Front
Dua logam tembaga (+0,34V) dan seng (-0,76V) dalam asam sulfat 1 M.
Back
Tembaga larut menghasilkan gas hidrogen.
6.
FLASHCARD QUESTION
Front
Reaksi: 2 Al + 3 Ni2+ --> 2 Al3+ + 3 Ni. Potensial sel standar?
Back
+ 2,29 volt
7.
FLASHCARD QUESTION
Front
Reaksi: Ni(s) + 2AgNO3(aq) → Ni(NO3)2(aq) + 2Ag(s). Bagan sel volta:
Back
Ni | Ni2+ || Ag+ | Ag
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