
Yuk Kuis
Authored by Istiqomalia Y
Chemistry
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar diatas!
Reaksi yang terjadi di katoda adalah ....
K+(aq) + e → K(s)
4OH−(aq) → 2H2O(l) + O2(g) + 4e
2I−(aq) → I2(s) + 2e
2H2O(l) + 2e → H2(g) + 2OH−(aq)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Didalam Elektrolisis Digunakan 2 buah elektroda yang bermuatan, pernyataan ini yang benar
Katoda bermuatan Positif dan Anoda bermuatan Netral
Katoda bermuatan Negatif dan Anoda bermuatan Netral
Katoda bermuatan Negatif dan Anoda bermuatan Positif
Katoda bermuatan Netral dan Anoda bermuatan Negatif
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu hal yang harus diperhatikan dalam menentukan reaksi di katoda pada sel elektrolisis adalah...
Letak elektroda pada deret volta
Letak logam dari kation pada deret volta
Jenis elektroda
Kation akan teroksidasi menjadi logamnya bila elektrolitnya berupa lelehan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi yang berlangsung pada elektrode X adalah ….
Ag+ + e→ Ag
Ag→ Ag+ + e
2Cl- → Cl2 + 2e
2H2O + 2e → 2OH- + H2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis seperti gambar di bawah ini persamaan yang menunjukkan reaksi pada elektroda X adalah ….
2H2O(l) + O2(l) + 4e– -----> 4OH–(aq)
2H2O(l) + 2e– -----> H2(g) + 2OH–(aq)
Cu2+(aq) + 2e– -----> Cu(s)
Cu(s) -----> Cu2+(aq) + 2e–
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika Anoda mengunakan elektrode Inert maka yang bereaksi adalah Anionnya. Bila Anion tersebut berasal dari sisa asam Oksi seperti NO3-, maka reaksi yang terjadi adalah....
Oksidasi: 2H2O(l)+2e−→H2(g)+2OH(aq)−
Reduksi: 2H2O(l)→O2(g)+4H(aq)++4e−
Reduksi: 2H2O(l)+2e−→H2(g)+2OH(aq)−
Oksidasi: 2H2O(l)→O2(g)+4H(aq)++4e−
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengertian Sel Elektrolisis
Kimia ke energi listrik
Perubahan sumber energi listrik ke kimia
Terjadi tidak spontan
Terjadi spontan
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