Reaksi Redoks

Quiz
•
Chemistry
•
1st Grade
•
Hard
Dewi Sumarlina
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Bilangan oksidasi unsur Cr dalam senyawa KCrO4 adalah...
+2
+3
+5
+6
+7
2.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Biloks unsur Cr dalam senyawa Na2S2O3 adalah...
+12
+6
+2
-12
-6
3.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Biloks unsur C dalam senyawa C2O42- adalah...
+3
+4
+5
+6
+7
4.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Dari reaksi berikut yang termasuk redoks adalah…
CaO + 2HCl → CaCl2 + H2O
Ca(OH)2 + 2HCl → CaCl2 + 2H2O
AgNO3 + HCl → AgCl + HNO3
Ni + 2HCl → NiCl2 + H2
CuO + 2HCl → CuCl2 + H2O
5.
MULTIPLE CHOICE QUESTION
5 mins • 20 pts
Perhatikan persamaan reaksi redoks berikut!
2HBr + H2SO4→ Br2 + SO2 + 2H2O
Zat yang merupakan oksidator adalah…(UN 2011)
HBr
H2SO4
Br2
SO2
H2O
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