SEL VOLTA
Flashcard
•
Chemistry
•
University
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Suatu sel volta ditulis dalam diagram sel sebagai berikut: Cr (s)| Cr3+(aq) ∥ Cu2+ (aq)|Cu (s) Persamaan reaksi dari notasi sel di atas adalah....
Back
3 Cu2+(aq) + 2 Cr (s) → 3 Cu (s) + 2 Cr3+ (aq)
2.
FLASHCARD QUESTION
Front
Which statement is not true for voltaic cells? 1. Pada katode terjadi reaksi reduksi 2. Pada anode terjadi reaksi oksidasi 3. Pada sel volta, katode termasuk elektrode negative 4. Logam yang memiliki potensial lebih tinggi berperan sebagai elektrode positif 5. Logam yang memiliki potensial lebih rendah berperan sebagai elektrode negatif
Back
3. Pada sel volta, katode termasuk elektrode negative
3.
FLASHCARD QUESTION
Front
Jika diketahui : Zn+2 / Zn Eo = –0, 76 Volt Cu+2 / Cu Eo = +0,34 Volt Maka besarnya potensial sel (Eo sel) Volta tersebut adalah ...
Back
+1,10 Volt
4.
FLASHCARD QUESTION
Front
Perhatikan gambar berikut! Yang bukan termasuk contoh sel Volta yang digunakan dalam kehidupan sehari-hari adalah ....
Back
5.
FLASHCARD QUESTION
Front
Dalam suatu sel volta terjadi reaksi: Cu + 2Ag+ ---> Cu2+ + 2Ag. Jika diketahui: E0 Cu2+/Cu = +0,34 volt E0 Ag+/Ag = +0,80 volt, maka potensial standar sel tersebut adalah… Options: 1,74 volt, 0,66 volt, 0,53 volt, 0,46 volt, 0,94 volt
Back
0,46 volt
6.
FLASHCARD QUESTION
Front
Urutan potensial reduksi yang makin negatif dari logam Y, X, dan Z adalah...
Back
Y-X-Z
7.
FLASHCARD QUESTION
Front
Identify the incorrect statement about a voltaic cell with Ag and Zn electrodes in 1M solutions. Options: Elektrode Ag bertindak sebagai katode, Elektrode Zn bertindak sebagai anode, Potensial standar sel = 1,56 V, Reaksi selnya adalah : 2 Ag + Zn2+ → 2Ag2+ + Zn, Logam Ag mengendap pada elektroda positif
Back
Reaksi selnya adalah : 2 Ag + Zn2+ → 2Ag2+ + Zn
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