
SEL ELEKTROLISIS
Authored by Fitri Handayani
Chemistry
12th Grade
Used 9+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar elektrolisis larutan NaCl dengan elektroda karbon. Zat yang terbentuk pada elektroda B adalah ....
gas O2
gas H2
Logam Na
gas Cl2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika larutan CuSO4 dielektrolisis dengan elektroda karbon, reaksi yang terjadi pada anode adalah….
2H2O -> 4H+ + 4e + O2
Fe -> Fe2+ + 4e
Cu2+ + 2e -> Cu
2H2O + 2e- -> 2OH- + H2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berdasarkan hasil praktikum yang telah kamu lakukan, maka pernyataan manakah yang benar mengenai dua jenis elektroda yang digunakan dalam elektrolisis ....
Anoda merupakan elektroda negatif sedangkan katoda merupakan elektroda positif
Anoda merupakan elektroda positif sedangkan katoda merupakan elektroda negatif
Anoda dan katoda, keduanya merupakan elektroda positif
Anoda dan katoda, keduanya merupakan elektroda negatif
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang termasuk kedalam elektroda inert, kecuali...
Platina (Pt)
Emas (Au)
Grafit/Karbon (C)
Besi (Fe)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada proses elektrolisis larutan NaOH dengan elektroda inert, reaksi yang terjadi pada elektroda positif adalah ....
2H2O -> 4H+ + 4e + O2
2H2O + 2e- -> 2OH- + H2
4OH- -> O2 + 2H2O + 4e
Na+ + e- -> Na
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi elektrolisis yang berlangsung pada elektroda X adalah ....
2H2O -> 4H+ + 4e + O2
Fe2+ + 2e- -> Fe
2H2O + 2e- -> 2OH- + H2
Cu2+ + 2e- -> Cu
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