
Reaksi Redoks
Authored by TIK RATNA ARIFAH
Chemistry
1st Grade - University

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4 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan persamaan reaksi yang terjadi pada sel aki berikut ini!
Pb(s) + a PbO2(s) + b H2SO4(aq) → 2 PbSO4(s) + c H2O(l)
Harga koefisien a,b, dan c berturut-turut adalah...
1, 1, dan 2
1, 2, dan 1
1, 2, dan 2
2, 1, dan 1
2,2, dan 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada persamaan reaksi redoks :
aMnO4(aq) + bH+(aq) + cC2O4 2-(aq) 2Mn2+(aq) + 8H2O (l) + 10CO2(g)
Harga koefisien rekasi a, b, dan c adalah … .
1, 4, dan 2
2, 8, dan 5
1, 8, dan 3
2, 16 dan 5
2, 6, dan 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan persamaan reaksi redoks berikut!
2HBr + H2SO4 Br2 + SO2 + 2H2O
Zat yang merupakan oksidator adalah ….
HBr
H2SO4
Br2
SO2
H2O
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan reaksi redoks berikut !
aH2O (ℓ ) + bCl- (aq) + 2 MnO c Cl2 (g) + 2 MnO2 (ℓ) + d OH- (aq)
Harga a , b, c, dan d pada reaksi setaranya berturut-turut yaitu ...
8 ,6, 4, dan 3
6, 8, 3, dan 4
6, 4, 3, dan 81
4, 6, 3, dan 8
3, 6, 3, dan 8
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