Posttest Sel Redoks
Quiz
•
Chemistry
•
12th Grade
•
Hard
Cikgu Chem
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Pada sel volta, reaksi oksidasi terjadi di ….
Katoda
Anoda
Elektrolit
Jembatan garam
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Elektroda yang mengalami reduksi dalam sel elektrokimia disebut ….
Katoda
Anoda
Elektrolit
Reduktor
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui: * Zn²⁺ + 2e⁻ → Zn (E° = -0,76 V) * Cu²⁺ + 2e⁻ → Cu (E° = +0,34 V) Berapakah nilai E°sel?
-1,10 V
+1,10 V
+0,42 V
-0,42 V
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui: * Zn²⁺ + 2e⁻ → Zn (E° = -0,76 V) * Cu²⁺ + 2e⁻ → Cu (E° = +0,34 V) elektroda yang bertindak sebagai katoda adalah
Ag
Fe
Cu
Zn
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Notasi sel yang benar untuk sel Zn–Cu adalah ….
Cu(s) | Cu²⁺(aq) || Zn²⁺(aq) | Zn(s)
Zn(s) | Zn²⁺(aq) || Cu²⁺(aq) | Cu(s)
Zn²⁺(aq) | Zn(s) || Cu²⁺(aq) | Cu(s)
Cu²⁺(aq) | Cu(s) || Zn(s) | Zn²⁺(aq)
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika E°sel bernilai positif, maka reaksi ….
Tidak spontan
Spontan
Tidak dapat berlangsung
Netral
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Reaksi reduksi berikut memiliki E° yang lebih besar sehingga lebih mudah mengalami reduksi ….
Zn²⁺ + 2e⁻ → Zn (E° = -0,76 V)
Cu²⁺ + 2e⁻ → Cu (E° = +0,34 V)
Fe²⁺ + 2e⁻ → Fe (E° = -0,44 V)
Ni²⁺ + 2e⁻ → Ni (E° = -0,25 V)
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