KUIS ASESMEN AWAL

Quiz
•
Chemistry
•
12th Grade
•
Hard
TAUFIK DWI WARDANI
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
(Larutan Elektrolit dan Non-elektrolit)
Di antara larutan berikut yang tergolong larutan non-elektrolit adalah ... .
NaOH (aq)
HCl (aq)
CH₃COOH (aq)
C₆H₁₂O₆ (aq)
NH₄Cl (aq)
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
(Penyetaraan Reaksi Redoks – Metode Setengah Reaksi)
Reaksi redoks berikut yang terjadi dalam suasana asam:
MnO₄⁻ + Fe²⁺ → Mn²⁺ + Fe³⁺
Jumlah molekul H₂O yang diperlukan dalam reaksi setara tersebut adalah ... .
1
2
4
8
10
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
(Sel Volta – Konsep Dasar)
Dalam sel volta yang terdiri dari elektroda Zn dan Cu, yang benar adalah ... .
Cu bertindak sebagai anoda
Zn mengalami reduksi
Cu mengalami oksidasi
elektron mengalir dari Zn ke Cu
elektrolit hanya diperlukan di elektrode Cu
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
(Sel Volta – Potensial Elektroda)
Diketahui potensial reduksi standar:
Zn²⁺/Zn = –0,76 V
Cu²⁺/Cu = +0,34 V
Tegangan sel (E°sel) untuk sel volta Zn | Zn²⁺ || Cu²⁺ | Cu adalah ... .
–1,10 V
–0,42 V
+0,42 V
+1,10 V
+1,00 V
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
(Aplikasi Sel Volta)
Salah satu contoh penerapan sel Volta dalam kehidupan sehari-hari adalah ... .
pengisian baterai ponsel
proses elektrolisis air
korosi logam
baterai pada jam tangan
proses penyepuhan logam
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