elektrolisis
Quiz
•
Chemistry
•
10th - 11th Grade
•
Practice Problem
•
Hard
Fatihah Yahaya
Used 81+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Persamaan setengah yang berlaku pada elektrode X adalah ….
Ag→ Ag+ + e
2Cl- → Cl2 + 2e
2H2O → 4H+ + O2 + 4e
Ag+ + e→ Ag
2H2O + 2e → 2OH- + H2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Logam manakah menunjukkan bacaan voltan yang paling tinggi apabila ia digunakan untuk menggantikan kepingan stanum itu?
Kuprum
Argentum
Plumbum
Zink
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Manakah yang boleh mengkonduksi elektrik dalam keadaan leburan dan larutan akueus?
Plumbum (II) bromida
Kalium klorida
Tetraklorometana
Naftalena
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Antara yang berikut, yang mana tidak mempengaruhi elektrolisis larutan akueus?
Kepekatan ion-ion dalam elektrolit
Jenis elektrod yang digunakan dalam elektrolisis
Kedudukan ion-ion dalam siri elektrokimia
Isipadu elektrolit yang digunakan dalam elektrolisis
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zarah manakah yang terhasil apabila elektrolit melarut dalam air?
Ion
Atom
Elektron
Molekul
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fungsi pasu berliang adalah untuk membenarkan pengaliran
Ion-ion
Atom-atom
Proton-proton
Elektron-elektron
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar diatas!
Persamaan setengah yang terbentuk di katod adalah ....
K+(ak) + e → K(s)
4OH−(ak) → 2H2O(l) + O2(g) + 4e
2I−(ak) → I2(s) + 2e
2H+ (ak) + 2e → H2(g)
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