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Authored by imanuel sihombing
Chemistry
12th Grade
Used 1+ times

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15 questions
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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
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi Elektrolisis lelehan KI dengan elektroda C adalah ....
2H2O + 2l- 2 OH- + H2 + I2
2H2O + l2 2 OH- + H2 + 2I-
KI K+ + I-
2H2O + H2 2 OH- + O2 + 2I-
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada sel elektrolisis, elektroda-elektroda akan bermuatan ...
Katoda positif, anoda negatif
Katoda negatif, anoda positif
katoda dan anoda bermuatan positif
katoda dan anoda bermuatan negatif
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut yang bukan merupakan contoh penerapan elektrolisis adalah ...
Pelapisan logam
Pemurnian logam
Pengisian ulang aki
Produksi zat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dibawah ini yang merupakan elektroda inert adalah...
Grafit, platina, seng
Grafit, platina, emas
karbon, perak, emas
tembaga, karbon, platina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila pada anoda kita gunakan elektroda non inert yakni tembaga, maka reaksi yang terjadi adalah...
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