
ULANGAN HARIAN ELEKTROLISIS DAN HUKUM FARADAY KD 3.6
Authored by Eny Kadarti
Chemistry
12th Grade
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada reaksi elektrolisa larutan NiSO4 dengan elektroda Ag, reaksi yang terjadi pada Anoda adalah
Ni2+ (aq) + 2e → Ni (s)
Ag (aq) → Ag+ (aq) + e
Ag +(aq) + e→ Ag + e
Ni (s) → Ni2+ (aq) + 2e
2H2O (l) → 4H+ (aq) + O2 (g) + 4e
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bila larutan CrCl3 dielektrolisis dengan menggunak elektrode logam krom, maka di katoda terjadi reaksi
Cr(s) → Cr3+(aq) + 3 e–
2 H2O(l) → O2(g) + 4 H+(aq) +4 e–
2 Cl (aq) → Cl2 + 2 e–
2 H2O(l) + 2 e– → 2 OH–(aq) + H2(g)
Cr3+(aq) + 3 e– → Cr(s)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A
B
C
D
E
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pada elektrolisis larutan Mg(NO3)2 dengan elektroda karbon, reaksi yang berlangsung dianode adalah . . . .
A. 2H2O(l) + 2e → H2(g) +
2OH-(aq)
2H2O(l) → 4H+(aq) + O2(g) + 4e
H2(g) + 2OH-(aq) → 2H2O(l) + 2e
4H+(aq) + O2(g) + 4e → 2H2O(l)
4OH-(aq) → 2H2O(l) + O2(g) + e
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
a
b
c
d
e
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
a
b
c
d
e
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