
redoks XI IPA1
English
1st Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
reaksi yang mengalami kenaikan bilangan oksidasi
redoks
reduksi
oksidasi
reduktor
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
reaksi yang mengalami penurunan bilangan oksidasi.
reduksi
oksidasi
redoks
oksidator
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bilangan oksidasi alumunium dalam Al2O3 adalah ….
+1
+2
+3
-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bilangan oksidasi S dalam senyawa S2O72–adalah ….
+6
-6
+4
-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari persamaan reaksi redoks berikut, harga koefisien reaksi a, b, c, dan d berturut-turut adalah ….
a Cu(s) + b AgNO3(aq) → c Cu(NO3)2(aq) + d Ag(s)
1, 1, 2, dan 2
1, 2, 1, dan 2
2,1, 2, dan 1
2, 3, 1, dan 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan pernyataan berikut
- reaksi pelepasan hidrogen
- reaksi penurunan bilangan oksidasi
- reaksi pembebasan elektron
- reaksi pengikatan elektron
Dari pernyataan diatas yang merupakan konsep dari reaksi reduksi adalah ....
1, 3, dan 4
1, 2, dan 3
2 dan 4
1 dan 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah
2Na2O → 4 Na + O2
2K + O2 →2K2O
Cu2O + H2→2 Cu + H2O
2Na2O2 →2 Na2O + O2
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