
UH 1_REAKSI REDOKS
Authored by Nila Diana
Chemistry
12th Grade
Used 3+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Reaksi mana yang merupakan reaksi redoks?
H₂ + Cl₂ → 2HCl
NaCl → Na⁺ + Cl⁻
H₂O (l) → H₂O (g)
CaCO₃ → CaO + CO₂
N₂ + O₂ → NO₂
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi sulfur (S) dalam H₂SO₄ adalah…
+6
+4
-2
0
+2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam reaksi Zn + Cu²⁺ → Zn²⁺ + Cu, yang mengalami oksidasi adalah…
Zn
Cu²⁺
Cu
Zn²⁺
Tidak ada yang mengalami oksidasi
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Agen oksidator pada reaksi Zn + Cu²⁺ → Zn²⁺ + Cu adalah…
Zn
Cu²⁺
Zn²⁺
Cu
H₂O
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari reaksi MnO₄⁻ → Mn²⁺ dalam suasana asam, jumlah H2O yang ditambahkan adalah…
1
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari beberapa reaksi berikut:
(1) 2SO2 + O2 → 2SO3
(2) 2Mg + O2 → 2 MgO
(3) CO2 → C + O2
(4) 2CaO → 2Ca + O2
(5) 2KClO3 → 2KCl + 3O2
Pasangan reaksi yang merupakan reaksi reduksi adalah…
(1) dan (3)
(2) dan (4)
(3) dan (5)
(1) dan (2)
(2) dan (5)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari beberapa reaksi berikut:
(1) Fe → Fe3+ + 3e
(2) Ni2+ + 2e → Ni
(3) Cr → Cr3+ + 3e
(4) Br2+ + 2e → Br
(5) Li → Li+ + e
Pasangan reaksi yang merupakan reaksi oksidasi adalah…
(1) dan (2)
(2) dan (3)
(3) dan (4)
(4) dan (5)
(1) dan (5)
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