
latihan redoks dan elektrokimia
Authored by Retno Sudiarti
Chemistry
12th Grade
Used 3+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi reduksi adalah ...
Penurunan biloks / pelepasan elektron
kenaikan biloks / pelepasan elektron
Penurunan biloks / penangkapan elektron
kenaikan biloks / penangkapan elektron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bilangan oksidasi nitrogen pada HNO2 adalah ...
-3
+3
-5
+5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bilangan oksidasi Cr pada CrO42- adalah ...
-6
+6
-2
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang merupakan reaksi redoks adalah ….
HCl + NaOH → NaCl + H2O
HNO3 + KOH → KNO3 + H2O
FeO + 2HCl → FeCl2 + H2O
Fe + H2SO4 → FeSO4 + H2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2 Yang bertindak sebagai oksidator adalah ...
MnO2
HCl
MnCl2
Cl2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cl2 + IO3- → 2Cl- + IO4- perubahan bilangan oksidasi Cl adalah ...
0 menjadi -1
0 menjadi -2
-1 menjadi -2
-2 menjadi -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pernyataan yang benar dari rangkaian tersebut adalah ...
elektroda Cr sebagai katoda
elektroda Cu sebagai anoda
harga E0 sel adalah +0,40 V
Notasi sel Cr / Cr3+ // Cu2+ / Cu
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