
ULANGAN REDOKS DAN ELEKTROKIMIA
Quiz
•
Chemistry
•
Professional Development
•
Hard
Hamzah Hamzah
Used 7+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pengikatan oksigen, pelepasan hidrogen, pelepasan elektron, kenaikan bilangan oksidasi, ciri - ciri dari.....
Redoks
oksidasi
oksidator
reduksi
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pelepasan oksigen, pengikatan hidrogen, pengikatan elektron, penurunan bilangan oksidasi, ciri - ciri dari.....
Reduksi
Oksidasi
Reduktor
Redoks
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
zat yang mengalami reduksi ( zat yang menyebabkan zat lain mengalami oksidasi ) disebut dengan........
Oksidasi
reduksi
Oksidator
reduktor
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zat yang mengalami oksidasi ( zat yang menyebabkan zat lain mengalami reduksi ) disebut dengan......
Oksidator
Reduksi
oksidasi
Reduktor
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
KMnO4 beraksi dengan H2C2O4 dalam suasana asam menghasilkan CO2 dan MnCO4 sesuai reaksi :
aMnO4- + bH+ + c H2C2O2 → dMn2+ + eH2O + f CO2
nilai a,c e dan f berturut adalah.........
2,5 4 dan 4
2,5,6 dan 10
2,5,8 dan 10
4,5,6 dan 8
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Beberapa metode pencegahan korosi antara lain proses : 1. penyepuhan, 2 pengecatan, 3 pengolesan dengan minyak, 4 pelapisan logam. Agar seterikan besi tidak mudah berkarat proses pencegahan korosi besi yang tepat adalah....
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Zn2+ + 2e → zn Eo = -0, 76 Volt.
Cu2+ + 2e → Cu Eo = +0,34 volt.
besarnya pontesial sel E0 adalah........
+1,10 V
-1,10 V
-0,42 V
+0,42 V
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