Perhatikan reaksi redoks berikut ! aH2O (l) + bCℓ - (aq) + 2MnO4 - (aq) → cCℓ2 (g) + 2MnO2 (s) + dOH- (aq) Setelah persamaan reaksi disetarakan maka harga a, b, c, dan d adalah ….
SEL ELEKTROLISIS DAN HUKUM FARADAY

Quiz
•
Chemistry
•
12th Grade
•
Hard
Media ramlan
Used 25+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8,6,4 dan 3
6,8,3 dan 4
6,4,3 dan 8
4,3,6 dan 8
4,6,3 dan 8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(1) dan (2)
(2) dan (3)
(1) dan (3)
(2) dan (4)
(1) dan (5)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada penyepuhan cincin tembaga dengan emas digunakan larutan AuCl3 (Ar Au = 197 g/mol). Pengrajin perhiasan menyepuh cincin tembaga dengan emas selama 9650 detik dengan arus 3 Ampere. Massa emas yang digunakan untuk melapisi cincin tembaga sebanyak ... gram
197
3,94
7,88
19,70
39,40
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
C, C, NaCl(l)
C, Fe, NaNO3(aq)
Pt,Pt, K2SO4(aq)
Pt,Fe, NaOH(l)
Fe,C, KOH(aq)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pencegahan korosi pada kaleng makanan dapat dilakukan dengan cara...
perlindungan katodik
pelapisan timah
pelapisan krom
pengecatan
galvanisasi
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada elektrolisis leburan seng klorida menggunakan elektrode karbon dengan arus listrik sebesar 4 A selama 30 menit akan terbentuk ... ( Ar Zn = 65 gmol-1, Cl= 35,5 gmol-1)
gas klorin di katode
gas hidrogen di anode
endapan seng di anode
gas klorin sebanyak 0,84 L
endapan seng sebanyak 1,21 gram
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