
Sel Elektrolisis
Authored by Nabila Salma
Chemistry
11th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Pernyataan yang tepat tentang pembuatan logam alkali secara elektrolisis adalah…
a. Dibuat dari elektrolisis lelehan garam klorida
b. Digunakan katoda karbon dan anoda dari besi
c. Ion logam alkali yang terbentuk berupa zat padat di anoda
d. Reduksi ion logam alkali terjadi di anoda
e. Logam alkali yang terbentuk berupa zat padat di anoda
2.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Pernyataan yang tepat mengenai cara memperoleh logam alkali adalah…
a. Mereduksi garam kloridanya
b. Mengoksidasi garam kloridanya
c. Mengelektrolisis larutan garam kloridanya
d. Elektrolisis larutan garam kloridanya
e. Menghidrolisis larutan garam kloridanya
3.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Dibawah ini yang bukan merupakan faktor yang berpengaruh pada jumlah mol logam yang terdeposit selama proses elektrolisis adalah…
a. Arus yang digunakan
b. Jangka waktu hidrolisis
c. Muatan Ion
d. Massa molar
e. Muatan arus listrik
4.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Pada elektrolisis larutan perak nitrat dengan elektroda karbon, reaksi yang terjadi di anoda adalah…
a. Ag+ (aq) +e --> Ag (s)
b. 2H2O (l) +2e --> 2OH- (aq) + H2O (l)
c. 2H2O (aq) --> 4H+ (aq) + O2(g) +4e
d. Ag(s) --> Ag+ (aq) + e
e. 2NO3n-(aq) --> 2NO2(g) + O2+ 2e
5.
MULTIPLE CHOICE QUESTION
20 sec • 20 pts
Pada elektrolisis air dihasilkan 1,008 gram gas H2 di katoda. Massa gas oksigen yang terbentuk di anoda adalah …
a. 2 gram
b. 8 gram
c. 10 gram
d. 16 gram
e. 20 gram
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