
Sel Volta
Chemistry
12th Grade
Used 76+ times

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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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
Dari pernyataan di atas yang tidak sesuai dengan kaidah sel volta adalah ...
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada sel volta dengan elektrode Pb dan Cu, aliran elektron bergerak ...
Dari Pb ke Pb2+
Dari Pb ke Cu
Dari Cu ke Cu2+
Dari Cu ke Pb
Dari Cu2+ ke Pb2+
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Reaksi sel dari suatu sel volta adalah:
Al(s) + 3Ag+(aq) → Al3+(aq) + 3Ag(s)
Jika dari data tersebut ditulis dalam diagram sel adalah ...
Al(s) │ 3Ag+(aq)║ Al3+(aq) │3Ag(s)
Al(s) │ Al3+(aq) ║ 3Ag+(aq) │3Ag(s)
Al(s) │ 3Ag(s) ║ Al3+(aq) │3Ag+(aq)
3Ag+(aq) │ Al(s)║ 3Ag(s) │ Al3+(aq)
3Ag(s) │ Al(s) ║ 3Ag+(aq) │ Al3+(aq)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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 ...
–0,42 Volt
–1,10 Volt
+0,42 Volt
+1,10 Volt
+11,0 Volt
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan rangkaian sel volta diatas!
Maka diagram sel dari rangkaian tersebut adalah ...
Pb2+ | Pb || Ag | Ag+
Ag | Ag+ || Pb2+ | Pb
Ag+ | Ag || Pb2+ | Pb
Pb | Pb2+ || Ag | Ag+
Pb | Pb2+ || Ag+ | Ag
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu sel Volta terdiri dari elektrode-elektrode seng dan tembaga. Pernyataanyang benar dari sel di atas, adalah ....
Tembaga bertindak sebagai anode
Pada seng terjadi reaksi reduksi
Seng sebagai elektrode positif
Diagram selnya :
Cu/Cu2+ //Zn2+ /Zn
Reaksi sel:
Zn+Cu2+ Zn2+ + Cu
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada reaksi :
Ni(s) + 2AgNO3(aq) → Ni(NO3)2(aq) + 2Ag(s)
Menurut reaksi diatas bagan sel volta dapat dituliskan dengan:
Ni | Ni2+ || Ag+| Ag
Ag | Ag+ || Ni2+ | Ni
Ni | Ag+ || Ni2+ |Ag
Ag | Ni2+ ||Ag+ |Ni
Ni2+|Ni || Ag | Ag+
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