SEL ELEKTROLISIS
Quiz
•
Chemistry
•
12th Grade
•
Medium
Standards-aligned
Maria Djadja
Used 78+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar diatas!
Reaksi yang terjadi di katoda adalah ....
K+(aq) + e → K(s)
2I−(aq) → I2(s) + 2e
4OH−(aq) → 2H2O(l) + O2(g) + 4e
2H2O(l) + 2e → H2(g) + 2OH−(aq)
2H2O + 2e ------> 2OH- + H2
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada proses elektrolisis larutan CdSO4 dengan elektroda inert, reaksi yang terjadi pada elektroda positif adalah ....
Cd2+ + 2e -----> Cd
2H2O ------> 4H+ + O2 + 4e
4OH- -----> 2H2O + O2 + 4e
2H2O + 2e ------> 2OH- + H2
Ni ------> Ni2+ + 2e
Tags
NGSS.HS-PS1-2
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Pada sel elektrolisis muatan pada katoda adalah .....
Tags
NGSS.HS-PS2-5
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada elektrolisis larutan tembaga(II) sulfat dengan elektrode tembaga, di anode terjadi reaksi ….
Cu2+ + 2e → Cu
2H2O + 2e → 2OH- + H2
H2 → 2H+ + 2e
Cu → Cu2+ + 2e
2H2O → 4H+ + O2 + 4e
Tags
NGSS.HS-PS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 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 oksigen
ion OH-
Gas hidrogen
Gas klorin
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi yang berlangsung pada elektrode X adalah ….
Ag→ Ag+ + e
2H2O → 4H+ + O2 + 4e
2H2O + 2e → 2OH- + H2
2Cl- → Cl2 + 2e
Ag+ + e→ Ag
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada elektrolisis larutan KI dengan electrode C, di ruang katode terjadi peristiwa reduksi yang reaksinya dapat ditulis ….
K+(aq) + e --> K(s)
2H2O(l) + 2e --> 2OH- (aq) + H2(g)
2I- (aq) --> I2(g) + 2e
K(s) ----- K+(aq) + e
2H2O(l) --> 4H+ (aq) + O2(g) + 4e
Tags
NGSS.HS-PS1-2
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