Ulangan Reaksi Redoks
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
siti saadah
Used 41+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ciri khas dari reaksi reduksi ....
Terjadi penangkapan oksigen
Terjadi pelepasan oksigen
Terjadi kenaikan bilangan oksidasi
Terjadi disosiasi zat yang bereaksi
Terjadi pelepasan elektron
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada reaksi: 2CO + 2NO --> 2CO2 + N2, bilangan oksidasi N berubah dari ....
+2 ke 0
+2 ke +1
+3 ke +1
+3 ke +2
+4 ke +2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi Cr dalam senyawa K2Cr2O7 adalah....
+2
+4
+5
+6
+7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan senyawa-senyawa berikut!
1) MnO2
2) MnO
3) KMnO4
4) K2MnO4
Urutan senyawa dari bilangan oksidasi Mn terendah adalah....
1)-2)-3)-4)
2)-1)-4)-3)
2)-4)-1)-2)
3)-4)-1)-2)
4)-2)-1)-3)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi-reaksi berikut yang bukan merupakan reaksi redoks adalah ....
N2 + 3H2 → 2NH3
2NO + O2 → 2NO2
Cl2 + 2I- → 2Cl- + I2
SO2 + OH- → HSO3-
Al + KOH + 2H2O → 2KAIO2 + 3O2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Di antara persamaan reaksi berikut, yang merupakan reaksi redoks adalah ....
NaOH + HCl → NaCl + H2O
CaSO4 + 2LiOH → Ca(OH)2 + Li2SO4
Mg(OH)2 + 2HCl → MgCl2 + 2H2O
BaCl2 + H2SO4 → BaSO4 + 2HCl
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada reaksi redoks:
MnO2 + 2H2SO4 + 2NaI → MnSO4 + Na2SO4 + 2H2O + I2
yang berperan sebagai oksidator adalah ....
NaI
H2SO4
MnSO4
I2
MnO2
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