
Soal Penerapan Sel Volta
Authored by Hiraluna Asyaura
Chemistry
12th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. Perhatikan beberapa fakta-fakta tentang baterai berikut :
1) Bungkus dalam baterai berupa zink (Zn) sebagai elektroda positif
2) Batang karbon (C) sebagai katoda
3) Elektrolit menggunakan pasta MnO2 dan NH4Cl
4) Reaksi oksidasi terjadi pada logam seng
5) Reaksi reduksi terjadi pada karbon dan seng luar
Pernyataan yang benar tentang sel baterai sebagai sel kering adalah …
1,2,3
2,3,4
2,3,5
1,2,4
3,4,5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fakta-fakta yang tidak mendukung bahwa sel aki merupakan sel sekunder adalah … .
Sel aki disusun dari lempeng timbal (Pb) dan timbal oksida (PbO2)
Sel aki menggunakan larutan asam sulfat (H2SO4) sebagai elektrolit
Apabila aki sedang digunakan maka lempeng timbal bertindak sebagai anoda
Lempeng timbal dioksida (PbO2) pada aki merupakan elektroda positif
Sel aki dapat diisi ulang walaupun elektrolitnya telah diencerkan oleh air dan keping tertutup oleh PbSO4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu sel baterai dibuat menggunakan elektroda seng dan karbon serta elektroda pasta MnO2 dan NH4Cl, Reaksi yang mungkin terjadi pada elektroda negatif dari sel baterai tersebut adalah
Zn(s) → Zn2+(aq) + 2e−
2H2O(l) → O2 (g) + 4H+ (aq) + 4e−
4H+(aq) + 4e− → H2 (g)
Zn2+(aq) + 2e− → Zn(s)
C (s) → C4+ (aq) + 4e−
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar di samping merupakan salah satu penerapan sel volta dalam kehidupan sehari-hari. Sel apakah itu?
Fuel Cel
Sel Kering
Sel Aki
Sel Alkaline
Baterai lithium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada baterai lithium katoda apa yang biasanya digunakan?
atom-atom Li
Logam Zn
Grafit
Oksida logam lithium
Logam zink
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