Nilai bilangan okidasi dari Cr didalam K2CrO4 adalah . . .
Reaksi Redoks

Quiz
•
Chemistry
•
University
•
Hard
lala latifah
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4
5
6
7
8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai bilangan okidasi dari S didalam Na2SO3 adalah . . .
4
5
6
7
0
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai bilangan oksidasi dari Cl2 didalam Ca(ClO2)2 adalah . . .
0
2
6
8
10
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diantara reaksi-reaksi dibawah ini yang merupakan reaksi redoks adalah . . .
AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (Aq)
2KI (aq) + Cl2 (aq) → I2 (s) + 2KCI (aq)
NH3 (aq) + H2O (l) → NH4+ (aq) + OH– (aq)
NaOH (aq) + CH3COOH (aq) → CH3COONa (aq) + H2O (l)
Al2O3 (s) + 2NaOH (aq) → 2NaAlO2 (aq) + H2O (l)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Contoh reaksi oksidasi adalah . . .
Ag+ (aq) berubah menjadi Ag (s)
Cl2 (g) berubah menjadi Cl‾ (aq)
I– (aq) berubah menjadi I2 (s)
Cr6+ berubah menjadi CrO4¯²
H2O (l) berubah menjadi OH‾ (aq)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
pengertian dari pelepasan elektron, disebut dengan reaksi...
Redoks
Reduksi
Oksidasi
Ion
Kovalen
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pengertian dari penangkapan elektron disebut dengan reaksi ....
Oksidasi
Reduksi
Redoks
Biloks
Kovalen
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