REMIDI REDOKS DAN SEL VOLTA
Authored by Errie Rie
Chemistry
10th Grade
Used 177+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam suatu sel volta terjadi reaksi:
Cu + 2Ag+ ---> Cu2+ + 2Ag.
Jika diketahui:
E0 Cu2+/Cu = +0,34 volt
E0 Ag+/Ag = +0,80 volt,
maka potensial standar sel tersebut adalah…
1,74 volt
0,66 volt
0,53 volt
0,46 volt
0,94 volt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi S dalam senyawa S2O72–adalah …
-2
-4
+4
+6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai bilangan okidasi dari Cr didalam K2CrO4 adalah . . .
+4
+6
-2
+2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Buah apel yang telah diiris dan dibiarkan pada ruang terbuka akan menyebabkan perubahan warna pada apel menjadi kecoklatan. Hal ini merupakan adanya peristiwa reaksi...
Asam-Basa
Autoredoks
Halogenasi
Oksidasi
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi yang paling tinggi di antara senyawa-senyawa berikut adalah ....
KMnO4
K2MnO4
Mn3O4
Mn2O3
MnO2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika diketahui :
Zn+2 / Zn Eo = –0, 76 Volt
Cu+2 / Cu Eo = +0,34 Volt
Maka besarnya potensial sel (Eo sel) Volta tersebut adalah ...
–0,42 Volt
–1,10 Volt
+0,42 Volt
+1,10 Volt
+11,0 Volt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini bukan contoh sel volta dalam kehidupan sehari-hari yaitu ...
aki
baterai kering
baterai alkalin
baterai litium
korosi
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