SEL VOLTA

Quiz
•
Chemistry
•
12th Grade
•
Easy
sudiarti MPd
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
1 Perhatikan gambar sel volta berikut!
Diagram sel yang tepat untuk gambar tersebut adalah ....
Al| Al3+ ‖ Sn2+|Sn
Al3+|Al ‖ Sn|Sn2+
Sn2+|Sn ‖ Al| Al3+
Sn2+|Sn ‖ Al3+| Al
Sn|Sn2+ ‖ Al3+|Al
2.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Pernyataan yang tepat untk sel volta di atas adalah …
Al sebagai katoda dan Sn sebagai anoda
Pada anoda terjadi rekasi reduksi
Pada katoda terjadi reaksi reduksi dan oksidasi
Al sebagai anoda dan Sn sebagai katoda
Sn melepaskan dua elektron
3.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Dari data potensial elektroda standar berikut
Ni2+ + 2 e → Ni EO = -0,25 v
Pb2+ + 2 e → Pb EO = -0,13 v
Potensial standar sel volta yang terdiri dari elektroda Ni dan Pb adalah ….
-0,38 v
-0,03 v
+0,12 v
+0,25 v
+0,38 v
4.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Mg2+(aq) + 2 e → Mg(s) EO = -2,37 volt
Sn2+(aq) + 2 e → Sn(s) EO = -0,14 volt
Dengan data tersebut disusun sel volta. Pernyataan di bawah ini yang benar adalah ….
logam Mg sebagai katoda
reaksi: Sn + Mg2+ → Mg + Sn2+
berlangsung spontan
potensial sel yang terjadi +2,57 volt
logam Sn bertindak sebagai elektrode positif
elektroda Sn larut
5.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Cu2+ + 2 e → Cu EO = +0,34 volt
Ag+ + e → Ag EO = +0,80 volt
Maka reaksi Cu + 2Ag+ → Cu2+ + 2Ag memiliki potensial sel ….
0,06 v
0,46 v
0,57 v
1,14 v
1,26 v
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