
Reaksi Oksidasi dan Reduksi dalam Sel Elektrolisis

Flashcard
•
Chemistry
•
12th Grade
•
Easy
Kurnia Triartanti
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5 questions
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1.
FLASHCARD QUESTION
Front
Apa yang terjadi di anoda pada sel elektrolisis?
Back
Di anoda, ion-ion negatif (anion) melepaskan elektron dan teroksidasi, menghasilkan produk oksidasi seperti gas atau ion yang larut dalam larutan.
2.
FLASHCARD QUESTION
Front
Contoh reaksi oksidasi di anoda dengan elektroda inert?
Back
Jika anoda terbuat dari elektroda inert (seperti Pt atau C) dan elektrolitnya mengandung ion halide (Cl-, Br-, I-), maka anion halide tersebut akan teroksidasi menjadi gas halogen (Cl2, Br2, I2).
3.
FLASHCARD QUESTION
Front
Apa yang terjadi di katoda pada sel elektrolisis?
Back
Di katoda, ion-ion positif (kation) dari elektrolit akan menerima elektron dan tereduksi, menghasilkan produk reduksi seperti logam atau gas.
4.
FLASHCARD QUESTION
Front
Contoh reaksi reduksi di katoda dengan elektroda inert?
Back
Jika katoda terbuat dari elektroda inert (seperti Pt atau C) dan elektrolitnya mengandung ion logam (misalnya Zn 2+), maka ion Zn2+ akan tereduksi menjadi logam Zn.
5.
FLASHCARD QUESTION
Front
Apa yang terjadi jika kation di katoda adalah H+ atau air?
Back
Akan terjadi reduksi air membentuk gas hidrogen (H2).
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