Penyetaraan Rodoks

Quiz
•
Chemistry
•
12th Grade
•
Hard
Nina Kurniasih
Used 30+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada reaksi reduksi di bawah ini yang membutuhkan 2 elektron adalah….
SO42- → SO2
I2 → 2I-
NO3- → NO
ClO3- → Cl-
S2O32- → S
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Biloks dari unsur Cr dalam senyawa Cr2O42- adalah....
+2
+3
+6
-2
-3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada reaksi : Cl2 (aq) + 2 KOH (aq) → KCl (aq) + KClO (aq) + H2O (l)
bilangan oksidasi klor berubah dari ....
–1 menjadi +1 dan 0
+1 menjadi -1 dan 0
0 menjadi –1 dan -2
0 menjadi –1 dan +1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi yang paling tinggi di antara senyawa-senyawa berikut adalah ....
KMnO4
K2MnO4
Mn3O4
Mn2O3
MnO2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada persamaan reaksi redoks:
a MnO4− (aq) + b H+ (aq) + c C2O42 − (aq) → 2Mn 2+ (aq) + 8H2O (l) + 10 CO2 (g)
Harga koefisien reaksi a, b, dan c adalah.....
A. 1, 4, dan 2
B. 1, 8, dan 3
C. 2, 6, dan 5
D. 2, 8, dan 5
E. 2, 16, dan 5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pada reaksi :
2 KMnO4 + 16 HCl ------> 2 MnCl2 + 8H2O + 5 Cl2 + 2KCl
Bilangan oksidasi Mn berubah dari….
+6 menjadi +2
+2 menjadi +6
+3 menjadi +2
+7 menjadi +2
+2 menjadi +7
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan Oksidasi V dalam VO2+ adalah....
+3
+2
+1
+4
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