Sel Volta

Quiz
•
Chemistry
•
12th Grade
•
Medium
Larosa Arupa
Used 136+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Perhatikan gambar berikut ini!
Diagram sel yang paling tepat dari sel volta tersebut adalah ….
Mg2+(aq) / Mg(s) // Zn2+ (aq) / Zn(s)
Mg(s) / Mg2+(aq) // Zn2+(aq) / Zn(s)
Mg(s) / Zn2+(aq)// Mg2+(aq)/ Zn(s)
Zn2+(aq)/Zn(s)// Mg(s)/ Mg2+(aq)
Zn(s)/Zn2+(aq)//Mg2+(aq)/Mg(s)
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Diketahui gambar sel volta :
Diagram sel untuk menyatakan reaksi sel tersebut adalah ...
Mg2+ / Mg // Zn2+ / Zn
Mg/ Mg2+ // Zn2+ / Zn
Zn2+ /Zn // Mg2+ / Mg
Zn2+ /Zn // Mg / Mg2+
Zn2+ / Mg // Zn2+ / Mg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui
Al3+(aq) + 3e- → Al(s) E0 = - 1,66 volt
Mg2+(aq) + 2e- → Mg(s) E0 = - 2,34 volt
Maka potensial sel untuk reaksi:
Al3+ + Mg → Mg2 + Al
+ 0,34 V
– 0,34 V
+ 0.68 V
- 0.68 V
+ 1,36 V
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar sel volta berikut!
Pernyataan yang benar tentang gambar tersebut adalah...
Elektroda Mg di katoda
Harga potensial sel + 4,03 V
Elektron mengalir dari elektroda Mg ke Al
Reaksi selnya Mg2+ / Mg// Al/ Al3+
Reaksi tidak dapat berjalan secara spontan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika diketahui :
Sn2+(aq) + 2e -->Sn(s) Eo = - 0,14 V
Zn2+(aq) + e -->Zn(s) Eo = + 0,80 V
Maka potensial standar untuk reaksi : Zn(s) + Sn2+(aq) --> Zn2+(aq) + Sn(s),
adalah ….
+1,44 V
+0,76 V
+1,24 V
+0,62 V
+0,96 V
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