
LATIHAN SOAL SEL ELEKTROLISIS

Quiz
•
Chemistry
•
11th Grade
•
Medium
+3
Standards-aligned
Nasya Tirta
Used 330+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Salah satu hal yang harus diperhatikan dalam menentukan reaksi di katoda pada sel elektrolisis adalah...
Letak elektroda pada deret volta
Letak logam dari kation pada deret volta
Jenis elektroda
Kation akan teroksidasi menjadi logamnya bila elektrolitnya berupa lelehan
Ion H+ dari asam teroksidasi menjadi H2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada elektrolisis leburan MgCl2, pada katoda dan anoda dibebaskan....
H2 dan Cl2
H2 dan O2
Mg dan Cl2
Mg dan H2
Mg dan O2
Tags
NGSS.HS-PS3-5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar diatas!
Reaksi yang terjadi di katoda adalah ....
K+(aq) + e → K(s)
4OH−(aq) → 2H2O(l) + O2(g) + 4e
2I−(aq) → I2(s) + 2e
2H2O(l) + 2e → H2(g) + 2OH−(aq)
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada proses elektrolisis larutan CdSO4 dengan elektroda inert, reaksi yang terjadi pada elektroda positif adalah ....
Cd2+ + 2e -----> Cd
2H2O + 2e ------> 2OH- + H2
2H2O ------> 4H+ + O2 + 4e
Ni ------> Ni2+ + 2e
4OH- -----> 2H2O + O2 + 4e
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada reaksi elektrolisis larutan NiSO4 dengan elektroda Au. Reaksi yang terjadi pada anoda adalah ….
Ni2+(aq) + 2e -----> Ni(s)
Au(aq) ------> Au2+(aq) + e
Ni(s) -----> Ni2+(aq)+ 2e
2 H2O(l) + 2e ------> H2(g)+ 2 OH–(aq)
2 H2O(l) -------> 4 H+(aq) + O2(g) + 4e
Tags
NGSS.HS-PS2-5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada elektrolisis larutan tembaga(II) sulfat dengan elektrode tembaga, di anode terjadi reaksi ….
Cu2+ + 2e → Cu
Cu → Cu2+ + 2e
2H2O + 2e → 2OH- + H2
2H2O → 4H+ + O2 + 4e
H2 → 2H+ + 2e
Tags
NGSS.HS-PS1-4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada elektrolisis larutan tembaga(II) sulfat dengan elektrode besi di katode, dan di anode elektrode tembaga, di katode setelah elektrolisis akan terjadi .....
Endapan tembaga
Gas hidrogen
Gas oksigen
Gas klorin
ion OH-
Tags
NGSS.HS-PS2-5
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