
XII Elektrokimia
Authored by Aktafianto Robert
Chemistry
12th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Beberapa alat yang menggunakan prinsip kerja sel volta adalah...
accu dan baterai,
accu dan strika
baterai dan AC
Televisi dan kipas angin
baterai dan dinamo
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Perhatikan gambar berikut!
Yang bukan termasuk contoh sel Volta yang digunakan dalam kehidupan sehari-hari adalah ....
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Berikut ini Aplikasi Sel Volta dalam kehidupan masa kini, kecuali...
Baterai HP
Accumulator (Aki)
Baterai Jam
Elektroplating
Baterai Mobil Listrik
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Pernyataan yang benar tentang Anoda dan Katoda
anoda kutub positif
katoda kutub negatif
anoda tempat oksidasi
katoda tempat oksidasi
katoda dan anoda tempat reaksi oksidasi
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Diketahui
Ni2+ + 2e → Ni Eo = -0,25 Volt
Pb2+ + 2e → Pb Eo = -0,13 Volt
Potensial standar sel volta yang terdiri dari elektroda Ni dan Pb adalah... .
–0,38 V
+0,38 V
+0,25 V
–0,12 V
+0,12 V
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Diketahui potensial elektrode dari :
Al3+ + 3e ↔ Al E° = -1,66 Volt
Zn2+ + 2e ↔ Zn E° = -0,76 Volt
Reaksi redoks
2Al(s) + 3Zn2+(aq) ↔ 2Al3+(aq) + 3Zn(s)
menghasilkan potensial sel sebesar … .
+ 0,90 Volt
– 0,90 Volt
+ 1,04 Volt
– 1,04 Volt
+ 2,42 Volt
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Perhatikan gambar sel volta berikut :
Diketahui :
Eo Zn2+ /Zn = -0,76 V
Eo Cu2+ /Cu = +0,34 V
Pernyataan berikut sesuai dengan gambar sel volta di atas, kecuali … .
Elektron mengalir dari elektroda Zn ke elektroda Cu.
Logam Zn bertindak sebagai Anoda.
Potensial sel yang dihasilkan sebesar 1,10 Volt.
Di katoda terjadi reduksi ion Cu2+.
Jembatan garam dapat diganti kawat penghantar.
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