ELEKTROLISIS
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Standards-aligned
FENTI EKA NURULIA, M.Pd
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35 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan tembaga(II) sulfat dengan elektrode tembaga, di anode terjadi reaksi ….
Cu2+ + 2e → Cu
Cu → Cu2+ + 2e
2H2O + 2e → 2OH- + H2
2H2O → 4H+ + O2 + 4e
H2 → 2H+ + 2e
Tags
NGSS.HS-PS1-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan natrium klorida di kutub (- ) ketika di tetesi phenolphtalein terjadi warna seperti gambar di atas, maka pada kutub tersebut terbentuk ion ....
H+
Na+
OH-
Cl-
H2
Tags
NGSS.HS-PS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan di bawah ini dengan elektrode platina yang dapat bersifat asam adalah ….
KNO3
KI
CaBr2
NaCl
MgF2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi yang berlangsung pada elektrode X adalah ….
Ag→ Ag+ + e
2Cl- → Cl2 + 2e
2H2O → 4H+ + O2 + 4e
Ag+ + e→ Ag
2H2O + 2e → 2OH- + H2
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan KI dengan elektroda karbon di anode ketika ditetesi amilum menjadi warna hitam, maka di anode dihasilkan....
Hidrogen
Iodium
Oksigen
Klorin
Besi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan KI , alat dan bahan yang tidak digunakan pada percobaan adalah...
Pipa U
Baterai
Elektrode Karbon
Amilum
Lakmus merah dan biru
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila larutan CuSO4 dielektrolisis menggunakan elektroda Fe maka yang terdapat pada reaksi di anoda adalah...
Oksidasi Fe
Oksidasi H2O
reduksi Fe
Reduksi H2O
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