Kuis Sel Volta
12th Grade
•10 Qs
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Kuis Sel Volta
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sel Volta mengubah energi .... menjadi energi .....
Listrik → kimia
Listrik → potensial
Listrik → kinetik
Kimia → listrik
Kimia → kinetik
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Pada sel Volta dengan elektrode Pb dan Cu, aliran elektron bergerak dari....
Cu ke Cu2+
Cu ke Pb
Cu2+ ke Pb2+
Pb ke Cu
Pb ke Pb2+
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Fungsi jembatan garam dalam sel Volta adalah....
Menambah muatan positif
Menambah muatan negatif
Menjaga keseimbangan kation dan anion
Mengurangi muatan positif
Mengurangi muatan negatif
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Suatu sel Volta ditulis dalam notasi sel berikut.
Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s)
Persamaan reaksi sel dari notasi sel tersebut adalah....
2Ag(s) + Cu2+(aq) → 2Ag+(aq) + Cu(s)
2Ag(s) + Cu(s) → 2Ag+(aq) + Cu2+(aq)
2Ag+(aq) + Cu(s) → 2Ag(s) + Cu2+(aq)
2Ag+(aq) + Cu2+(aq) → 2Ag(s) + Cu(s)
Ag+(aq) + Cu(s) → Ag(s) + Cu2+(aq)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Diketahui potensial sel untuk reaksi berikut.
Zn(s) + Fe3+(aq) → Zn2+(aq) + Fe(s) E° = +0,32 V
Zn(s) + Ag+(aq) → Zn2+(aq) + Ag(s) E° = +1,56 V
Fe(s) + Ag+(aq) → Fe2+(aq) + Ag(s) E° = +0,24 V
Berdasarkan data potensial sel, dapat disimpulkan bahwa urutan ketiga logam tersebut dalam urutan reduktor yang menurun adalah....
Ag – Fe – Zn
Ag – Zn – Fe
Fe – Zn – Ag
Fe – Ag– Zn
Zn – Fe – Ag
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Diketahui E° dari beberapa logam berikut.
Mn2+ (aq) | Mn(s) E° = -1,20 volt
Cd2+ (aq) | Cd(s) E° = -0,40 volt
Sn2+ (aq) | Sn(s) E° = -0,13 volt
Hg2+ (aq) | Hg(s) E° = +0,85 volt
Ag+ (aq) | Ag(s) E° = +0,80 volt
Reaksi berikut yang menghasilkan E°sel paling besar adalah....
Mn(s) + Hg2+(aq) → Mn2+(aq) + Hg(s)
Cd(s) + 2Ag+(aq) → Cd2+(aq) + 2Ag(s)
Mn(s) + 2Ag+(aq) → Mn2+(aq) + 2Ag(s)
Sn(s) + Hg2+(aq) → Sn2+(aq) + Hg(s)
Mn(s) + Sn2+(aq) → Mn2+(aq) + Sn(s)
7.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Reaksi berikut yang tidak dapat berlangsung spontan adalah....
Cu(s) + Zn2+(aq) → Cu2+(aq) + Zn(s)
Zn(s) + Cd2+(aq) → Zn2+(aq) + Cd(s)
Cd(s) + Cu2+(aq) → Cd2+(aq) + 2Ag(s)
Cd(s) + 2Ag+(aq) → Cd2+(aq) + 2Ag(s)
Zn(s) + 2Ag+(aq) → Zn2+(aq) + 2Ag(s)
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