Erni Riyanti (40030) - Kuis Elektrolisis dan Hukum Faraday

Quiz
•
Chemistry
•
12th Grade
•
Medium
Erni Riyanti
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prinsip kerja sel elektrolsis adalah mengubah ….
Reaksi kimia menjadi energi listrik
Energi listrik menjadi reaksi kimia
Energi panas menjadi reaksi kimia
Reaksi kimia menjadi energi panas
Reaksi kimia menjadi energi kinetik
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dua jenis elektroda dan muatannya pada sel elektrolisis adalah ….
Katoda kutup positif dan anoda kutub negatif
Katoda kutub netral dan anoda kutub negatif
Katoda kutup positif dan anoda kutub positif
Katoda kutub negatif dan anoda kutub positif
Katoda kutub negatif dan anoda kutub negatif
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil-hasil yang diperoleh dalam elektrolisis larutan KNO3 adalah ....
Gas hidrogen di ruang katoda, gas oksigen di ruang anoda
Kalium di ruang katoda, NO2 di ruang anoda
Kalium di ruang katoda, gas oksigen di ruang anoda
Kalium di ruang katoda, gas hidrogen di ruang anoda
Gas hidrogen dan gas oksigen di ruang katoda, kalium di ruang anoda
4.
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil elektrolisis leburan magnesium iodida adalah ....
H2 dan I2
Mg dan O2
Mg dan I2
H2 dan O2
Mg2+ dan 2 I-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang termasuk contoh dari elektrolisa adalah….
Pembuatan larutan
Pencegahan korosi
Pengikatan ion logam
Perubahan muatan listrik
Penyepuhan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa Faraday yang diperlukan untuk mereduksi 60 gram ion kalsium menjadi logam kalsium (Ar=40)?
4,0
3,0
2,0
1,5
1,0
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