
Redoks dan Elektrokimia
Quiz
•
Chemistry
•
12th Grade
•
Hard
Budi Swityastuti
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36 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai bilangan oksidasi dari Cr didalam K2CrO4 adalah . . .
4
5
6
7
8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai bilangan oksidasi dari Cl didalam Ca(ClO2)2 adalah . . .
+16
+6
+1
+4
+12
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi N dalam NH4+ adalah....
-4
+4
+3
+1
-3
4.
MULTIPLE CHOICE QUESTION
2 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
2 mins • 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 CrO42-
H2O(l) berubah menjadi OH-(aq)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diantara reaksi dibawah ini yang bukan merupakan reaksi redoks adalah . . .
SnCl2 + I2 + 2HCl → SnCl4 + 2HI
H2 + Cl2 → 2HCl
Cu2O + C → 2Cu + CO
CuO + 2HCl → CuCl2 + H2O
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi fosfor paling rendah terdapat pada senyawa . . . .
PH4Br
POBr3
PF3
PCl5
Ca(PO4)2
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