
Sel Elektrolisis
Authored by Dwi Restuti
Chemistry
12th Grade
Used 7+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Dalam suatu sel elektrolisis ....
Katoda sebagai kutub positif
Anoda sebagai tempat terjadi reaksi reduksi
Dihasilkan arus listrik sebagai produk akhir
Energi kimia diubah menjadi energi listrik
Terjadi reaksi redoks tidak spontan
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Perhatikan gambar sel elektrolisis berikut!
Reaksi yang berlangsung di katoda adalah ....
2H2O(l) → O2(g) + 4H+(aq) + 4e
Cu(s) → Cu2+(aq) + 2e
Cu2+(aq) + 2e → Cu(s)
2H2O(l) + 2e → 2OH-(aq) + H2(g)
SO42-(aq) + 2H+ + 2e → SO32-(aq) + H2O(l)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Larutan NaCl dielektrolisis dengan menggunakan elektroda Karbon (C).
Spesi yang akan mengalami reduksi pada katoda adalah ….
Ion Na+
H2O
Ion Cl-
Cl2
Na(s)
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Pada elektrolisis larutan NiSO4 dengan elektroda perak (Ag),
Reaksi yang terjadi pada anoda adalah ….
Ni2+(aq) + 2e → Ni(s)
Ni(s) → Ni2+(aq)+ 2e
2H2O(l) → 4H+(aq) + O2(g) + 4e
Ag(s) → Ag+(aq) + e
2H2O(l) + 2e → H2(g) + 2OH–(aq)
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Berikut yang tidak terdapat pada rangkaian sel elektrolisis adalah ....
Elektroda
Kawat penghubung
Sumber arus listrik
Jembatan garam
Elektrolit
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