SEL VOLTA
Quiz
•
Chemistry
•
12th Grade
•
Medium
Faisal Faisal
Used 441+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Satuan dari potensial standar sel volta yaitu...
mol
gram
Liter
Volt
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Diketahui data :
E0 Mg 2+/Mg = - 2,37 Volt
E0 Cu 2+/Cu = + 0,34 Volt
E0 Ag +/Ag = + 0,80 Volt
E0 Fe 2+/Fe = - 0,44 Volt
E0 Pb 2+/Pb = - 0,13 Volt
Sel Volta yang menghasilkan listrik dengan potensial sel standar terbesar adalah ....
Mg + Pb2+→ Mg2+ + Pb
Mg + 2 Ag+ → Mg2+ + 2 Ag
Mg + Cu2+→ Mg2+ + Cu
Pb + Cu2+ → Pb2+ + Cu
Fe + 2 Ag + → Fe2+ + 2 Ag
3.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Logam X dapat mendesak logam Y dan Z dari larutannya. Logam Y tidak dapat mendesak logam Z dari larutannya. Urutan oksidator yang semakin kuat dari ketiga logam di atas adalah ….
X – Y – Z
X – Z – Y
Z – Y – X
Y – Z – X
Z – X – Y
4.
MULTIPLE CHOICE QUESTION
2 mins • 20 pts
Suatu sel baterai dibuat menggunakan elektroda seng dan karbon serta elektroda pasta MnO2 dan NH4Cl, Reaksi yang mungkin terjadi pada elektroda negatif dari sel baterai tersebut adalah … .
A
B
C
D
E
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Contoh aplikasi sel volta dalam kehidupan sehari-hari adalah .....
Kipas Angin
Sel Aki
Bola Lampu
Setrika
Handphone
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Diketahui data potensial elektrode standard :
Ag+(aq) + e → Ag(s) E° = +0,80 volt
Cu2+(aq) + 2e → Cu(s) E°=+0,34 volt
Zn2+(aq) + 2e → Zn(s) E° = -0,76 volt
Mg2+(aq) + 2e → Mg(s) E° = -2,37 volt
Reaksi redoks berikut yang dapat berlangsung spontan adalah … .
Ag(s) + Cu2+(aq) → Ag+ (aq) + Cu(s)
Cu(s) + Zn2+(aq) → Cu2+ (aq) Zn(s)
Zn(s) + Ag+ (aq) → Zn2+ (aq) + Ag(s)
Zn(s) + Mg2+ (aq) → Zn2+ (aq) + Mg(s)
Ag(s) + Mg2+ (aq) → Ag+ (aq) + Mg(s)
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Perhatikan data berikut :
Mg2+ + 2e → Mg E0 = -2,38 V
Cu2+ + 2e → Cu E0 = +0,34 V
Logam yang bertindak sebagai anoda adalah ....
Cu
Mg
Mg2+
Cu2+
2e
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