
Quiz Sel Volta dan Potensial Reduksi
Quiz
•
Chemistry
•
12th Grade
•
Medium
Rinel Bukhari
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari beberapa pernyataan berikut ini: (1) Pada sel volta, energy kimia diubah menjadi energy listrik (2) Pada sel volta, elektron mengalir melalui kawat dari katode ke anode (3) Pada sel volta, anode adalah elektroda negative sedangkan pada elektrolisis, anode adalah kutub positif (4) Pada anode sel volta, terjadi oksidasi, sedangkan pada anode sel elektrolisis terjadi reduksi Pernyataan yang tepat adalah...
1,2,3
1,3
2,4
4 saja
1,2,3,4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui potensial elektroda standar sebagai berikut Eo Ag = + 0,80 V Eo Mn = - 1,18 V Potensial sel yang ditimbulkan oleh sel : Mn/Mn2+//Ag+/Ag adalah...
3,78 V
3,16 V
1,98 V
0,42 V
0,38 V
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar rangkaian sel volta berikut Berdasarkan gambar rangkaian tersebut, diagram sel yang tepat adalah...
Mg2+ | Mg || Cu | Cu2+
Mg2+ | Mg || Cu2+ | Cu
Mg | Mg2+ || Cu | Cu2+
Mg | Mg2+ || Cu2+ | Cu
Cu2+ | Cu || Mg | Mg2+
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui potensial reduksi standar Fe3+|Fe2+ = + 0,77 V Br2 |Br- = + 1,07 V I2 | I- = + 0,54 V Zn2+|Zn = - 0,76 V Cu2+|Cu = + 0,34 V Reaksi yang menghasilkan potensial terkecil dan spontan adalah...
Zn + Cu2+ → Cu + Zn2+
2Fe3+ + 2I- → 2Fe2+ + I2
2Fe2+ + Br2 → 2Br- + 2Fe3+
2Fe3+ + 2Br- → 2Fe2+ + Br2
Br2 + 2I- → 2Br- + I2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan gambar sel volta berikut Berdasarkan gambar rangkaian tersebut, diagram sel yang tepat adalah...
Zn|Zn2+||Pb2+|Pb
Pb|Pb2+||Zn2+|Zn
Zn2+|Zn||Pb|Pb2+
Pb2+|Pb||Zn|Zn2+
Zn|Zn2+||Pb|Pb2+
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beberapa data harga potensial reduksi standar (Eo) berikut
Ag+ + e- → Ag Eo = +0,80 V
Pb2+ + 2e- → Pb Eo = -0,14 V
Ni2+ + 2e- → Ni Eo = -0,25 V
Fe2+ + 2e- → Fe Eo = -0,44 V
Cu2+ + 2e- → Cu Eo = +0,34 V
Notasi sel yang dapat berlangsung spontan adalah....
Ag|Ag+||Fe2+|Fe
Ni|Ni2+||Fe2+|Fe
Cu|Cu2+||Pb2+|Pb
Ag|Ag+||Ni2+|Ni
Ni|Ni2+||Pb2+|Pb
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui potensial reduksi standar sbb:
Fe3+|Mg2+ = +0,77 V
Cu2+|Cu = +0,34 V
Zn2+|Zn = -0,76 V
Mg2+|Mg = -2,37 V
Untuk Reaksi Mg + 2Fe3+ →Mg2+ + 2Fe2+ memiliki potensial sel ..
+3.14
-3,14
+3,10
-3,10
+3,00
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