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ULANGAN HARIAN ELEKTROLISIS DAN HUKUM FARADAY KD 3.6

Authored by Eny Kadarti

Chemistry

12th Grade

Used 12+ times

ULANGAN HARIAN ELEKTROLISIS DAN HUKUM FARADAY KD 3.6
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20 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pada reaksi elektrolisa larutan NiSO4 dengan elektroda Ag, reaksi yang terjadi pada Anoda adalah

Ni2+ (aq) + 2e → Ni (s)

Ag (aq) → Ag+ (aq) + e

Ag +(aq) + e→ Ag + e

Ni (s) → Ni2+ (aq) + 2e

2H2O (l) → 4H+ (aq) + O2 (g) + 4e

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A

B

C

D

E

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Bila larutan CrCl3 dielektrolisis dengan menggunak elektrode logam krom, maka di katoda terjadi reaksi

Cr(s) → Cr3+(aq) + 3 e

2 H2O(l) O2(g) + 4 H+(aq) +4 e

2 Cl (aq) Cl2 + 2 e

2 H2O(l) + 2 e 2 OH(aq) + H2(g)

Cr3+(aq) + 3 e Cr(s)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A

B

C

D

E

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pada elektrolisis larutan Mg(NO3)2 dengan elektroda karbon, reaksi yang berlangsung dianode adalah . . . .

A. 2H2O(l) + 2e → H2(g) + 2OH-(aq)

2H2O(l) → 4H+(aq) + O2(g) + 4e

H2(g) + 2OH-(aq) → 2H2O(l) + 2e

4H+(aq) + O2(g) + 4e → 2H2O(l)

4OH-(aq) → 2H2O(l) + O2(g) + e

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

a

b

c

d

e

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

a

b

c

d

e

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