
Asesmen Kimia: Reaksi Redoks dan Elektrolisis
Authored by Murawan Murawan
Chemistry
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan bilangan oksidasi dari unsur dalam H2O.
H: +2, O: -2
H: +1, O: 0
H: 0, O: -1
H: +1, O: -2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan bilangan oksidasi dari unsur dalam NaCl.
Natrium: +1, Klorin: 0
Natrium: +1, Klorin: -1
Natrium: +2, Klorin: -1
Natrium: 0, Klorin: +1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan bilangan oksidasi dari unsur dalam KMnO4.
+7
+5
+2
+4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seimbangkan reaksi redoks berikut: Fe + CuSO4 → Fe2(SO4)3 + Cu.
2Fe + CuSO4 → Fe2(SO4)3 + Cu
Fe + 3CuSO4 → Fe2(SO4)3 + 3Cu
3Fe + 3CuSO4 → Fe2(SO4)3 + 3Cu
3Fe + 2CuSO4 → Fe2(SO4)3 + 2Cu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seimbangkan reaksi redoks berikut: MnO4- + C2O4^2- → Mn^2+ + CO2.
MnO4- + 3C2O4^2- + 6H+ → Mn^2+ + 6CO2 + 3H2O
MnO4- + 5C2O4^2- + 8H+ → Mn^2+ + 10CO2 + 4H2O
MnO4- + 2C2O4^2- + 4H+ → Mn^2+ + 4CO2 + 2H2O
MnO4- + 4C2O4^2- + 5H+ → Mn^2+ + 8CO2 + 2H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung potensial sel volta untuk reaksi: Zn + Cu^2+ → Zn^2+ + Cu.
1.50 V
1.10 V
0.25 V
0.75 V
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung potensial sel volta untuk reaksi: Ag^+ + e- → Ag dan Cu^2+ + 2e- → Cu.
1.00 V
0.75 V
0.25 V
0.46 V
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