ELEKTROLISIS
Quiz
•
Chemistry
•
12th Grade
•
Medium
Henrikus Suparjono
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut ini komponen utama sel elektrolisis, kecuali
larutan elektrolit
anode
sumber arus searah
jembatan garam
katode
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan NaCl dengan elektrode Al, maka pernyataan yang benar adalah...
dihasilkan gas oksigen di katode
dihasilkan gas hidrogen di anode
dihasilkan gas klorin di anode
diendapkan logam Na di katode
terjadi pengurangan logam alumunium di anode
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar sel elektrolisis di atas, pernyataan yang benar adalah...
pada elektrode 1 terjadi reaksi Ni + 2e Ni
pada elektrode 2 terjadi reaksi
Pada elektrode 1 terjadi reaksi
pada elektrode 1 terjadi reaksi
pada elektrode 2 terjadi reaksi
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis larutan
dengan elektrode Pt dihasilkan 11,8 gram logam X dan 2,24 Liter (STP) gas di anode. Maka Ar dari logam X adalah ...29,5
59
60
63,5
52
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dilakukan elektrolisis lelehan
dengan elektrode grafit menggunakan arus sebesar 2 A selama 28950 detik. Maka pernyataan yang benar adalah... (Ar Al = 27)di katode dihasilkan gas sebanyak 6,72 L
di katode diendapkan logam Al sebesar 5,4 gram
di anoda dihasilkan gas sebesar 5,6 L
di anode dihasilkan gas sebesar 8,96 L
di katode dihasilkan larutan 0,4 M
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan gambar sel elektrolisis di atas, pada anode sel I diendapkan logam Ag sebesar 86,4 gram logam Ag (Ar = 108) dan 25,4 gram logam X pada katode sel II. Maka massa atom relatif logam X sebesar ...
52
59
63,5
127
56
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dilakukan elektrolisis 2 liter
0,2 M selama 3860 detik dengan arus sebesar 5 A menggunakan elektrode grafit. Maka konsentrasi setelah elektrolisis dihentikan adalah ...0,25 M
0,20 M
0,15 M
0,10 M
0,05 M
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