Sel elektrolisis
Interactive Video
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Herawati Herawati
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari sel elektrolisis?
Mengubah energi kimia menjadi energi listrik.
Mengubah energi listrik menjadi energi kimia.
Menghasilkan energi panas dari reaksi kimia.
Mengubah energi cahaya menjadi energi listrik.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Komponen utama apa saja yang membentuk sel elektrolisis?
Katoda dan Anoda saja.
Elektroda dan Elektrolit.
Kation dan Anion saja.
Larutan dan Lelehan.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah di antara pilihan berikut yang BUKAN merupakan contoh elektroda inert?
Karbon (C)
Platina (Pt)
Emas (Au)
Tembaga (Cu)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam sel elektrolisis dengan elektrolit berupa larutan, jika kationnya berasal dari golongan IA, IIA, IIIA, Al3+, atau Mn2+, reaksi reduksi yang terjadi di katoda adalah...
Reduksi kation itu sendiri.
Reduksi H2O.
Reduksi H+.
Oksidasi H2O.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa reaksi oksidasi yang terjadi di anoda jika elektroda inert dan anionnya adalah OH-?
4OH- → 2H2O + O2 + 4e-
2H2O → O2 + 4H+ + 4e-
2Cl- → Cl2 + 2e-
L → L^2+ + 2e-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika elektroda anoda bersifat inert (C, Pt, Au) dan anionnya adalah sisa asam oksi (misalnya NO3- atau SO4^2-), spesi apakah yang mengalami oksidasi?
Anion itu sendiri
Elektroda itu sendiri
H2O
OH-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa reaksi oksidasi yang terjadi di anoda jika elektroda inert dan anionnya tidak mengandung oksigen (misalnya Cl- atau Br-)?
4OH- → 2H2O + O2 + 4e-
2H2O → O2 + 4H+ + 4e-
2Cl- → Cl2 + 2e-
L → L^2+ + 2e-
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