Redoks Basic
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Zulfakar Tribuana Said
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Perhatikan pernyataan berikut
1) reaksi pelepasan hidrogen
2) reaksi penurunan bilangan oksidasi
3)reaksi pembebasan elektron
4)reaksi pengikatan elektron
Dari pernyataan diatas yang merupakan konsep dari reaksi reduksi adalah ....
(2), (4)
(1), (2), (3)
(1), (3)
(3) (4)
2.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
CuO + H2 → Cu + H2O
Yang bertindak sebagai Oksidator adalah …
COOH
CuO
H2O
Cu
3.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
Yang bertindak sebagai Reduktor adalah . . .
HCl
MnCl2
MnO2
2H2O
4.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Bilangan oksidasi atom Cl tertinggi di antara senyawa berikut adalah …
CaO2
KClO
KCl
KClO3
5.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah
2Na2O → 4 Na + O2
2Na2O2 →2 Na2O + O2
2 BaO2 →2 BaO + O2
2K + O2 →2K2O
6.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Bilangan Oksidasi Fe dalam Fe2O3 adalah...
+2
+3
+1
0
7.
MULTIPLE CHOICE QUESTION
3 mins • 6 pts
Bilangan oksidasi N dalam HNO3
+3
+2
+5
-2
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