Posttest Sel Redoks

Posttest Sel Redoks

12th Grade

10 Qs

quiz-placeholder

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Posttest Sel Redoks

Posttest Sel Redoks

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

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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