
Elektrolisis
Authored by Tin Mulyawati
Chemistry
12th Grade
10 Questions
NGSS covered
Used 891+ times

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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 tembaga(II) sulfat dengan elektrode besi di katode, dan di anode elektrode tembaga, di katode setelah elektrolisis akan terjadi .....
Endapan tembaga
Gas hidrogen
Gas oksigen
Gas klorin
ion OH-
Tags
NGSS.HS-PS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada elektrolisis larutan di bawah ini dengan elektrode platina yang dapat bersifat asam adalah ….
KNO3
KI
CaBr2
NaCl
MgF2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan di bawah ini dengan elektrode platina yang dapat membirukan lakmus merah adalah ….
CrCl2
KI
CuSO4
Ni(NO3)2
MnSO4
6.
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-PS1-4
NGSS.HS-PS1-2
7.
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
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