
REDOKS DAN ELEKTROLISIS
Authored by Hamzah Hamzah
Chemistry
12th Grade
Used 6+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Reaksi redoks adalah reaksi yang melibatkan perubahan …
warna
energi
bilangan oksidasi
wujud zat
kecepatan reaksi
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Unsur yang mengalami oksidasi adalah unsur yang …
menerima elektron
melepaskan elektron
tetap biloksnya
menambah proton
menambah neutron
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Dalam reaksi:
Zn + CuSO₄ → ZnSO₄ + Cu
Unsur yang mengalami reduksi adalah …
Zn
Cu
S
O
semua salah
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Bilangan oksidasi sulfur dalam H₂SO₄ adalah …
+2
+4
+6
–2
0
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Reaksi oksidasi adalah reaksi yang disertai …
pengurangan elektron
penambahan elektron
pengurangan proton
penambahan neutron
perubahan wujud
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Dalam reaksi redoks, oksidator adalah zat yang …
mengalami oksidasi
mengalami reduksi
tidak berubah
kehilangan elektron
meningkatkan biloksnya
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Pada reaksi Fe + CuSO₄ → FeSO₄ + Cu, zat pereduksi adalah …
Fe
Cu
SO₄²⁻
Cu²⁺
O
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