
Quiz Kimia Reaksi Redoks

Quiz
•
Chemistry
•
12th Grade
•
Hard
Mohammad Iskandar
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada reaksi :
C2H5OH + 2O2 → 2CO + 3H2O
Perubahan bilangan oksidasi oksigen pada O2 menjadi oksigen pada CO adalah….
Tetap
Naik 1
Naik 2
Turun 4
Naik 6
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi unsur klorin pada Cl2, HClO4, HCl, dan HClO2 berturut-turut adalah ….
-3, 0. +1, +3
0, +7, -1, +5
-3, +1, +2, +3
0, +3, -1, +5
0, +7, -1, +3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi sel dari suatu sel volta: Al + 3Ag+ → Al3+ + 3Ag
Jika dari data tersebut ditulis dalam diagram sel adalah...
Al | 3Ag+ || Al3+ | 3Ag
Al | Al3+ || 3Ag+ | 3Ag
3Ag | 3Ag+ || Al3+ | Al
Al | 3Ag+ || Al3+ | 3Ag+
3Ag+ | Al || 3Ag | Al3+
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi:
Mg2+ + 2e– → Mg Eo = -2,37 volt
Ni2+ + 2e– → Ni Eo = -0,25 volt
Potensial yang dihasilkan oleh reaksi Mg + NiCl2 → MgCl2 + Ni adalah …
-2,12 volt
+2,12 volt
+1,06 volt
-2,62 volt
+0,80 volt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui potensial reduksi:
Ca2+ + 2e– → Ca Eo = -2,87 volt
Al3+ + 3e– → Al Eo = -1,66 volt
Potensial untuk reaksi: 3Ca + 2Al3+ → 3Ca2+ + 2Al adalah...
- 4,53 V
+ 5,26 V
+ 1,21 V
- 11,9 V
+ 11,9 V
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui potensial standar beberapa sel berikut.
R | R2+ || S2+ | S Eo = +1,10 V
R | R2+ || Q2+ | Q Eo = +1,56 V
P | P2+ || Q2+ | Q Eo = +2,46 V
Potensial standar sel untuk P | P2+ || S2+ | S adalah...
+4,02 V
+3,54 V
+2,66 V
+2,00 V
+1,10 V
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Bila diketahui potensial elektrode standar dari :
Ag+ + e– → Ag Eo = +0,80 volt
In3+ + 3e– → In Eo = -0,34 volt
Mn2+ + 2e– → Mn Eo = -1,20 volt
Mg2+ + 2e– → Mg Eo = -2,37 volt
Pasangan sel volta yang akan menghasilkan potensial sel sebesar 0,86 V adalah...
ln | ln3+ || 3Ag+ | 3Ag
Mg | Mg2+ || Mn2+ | Mn
Mn | Mn2+ || 2Ag+ | Ag
2ln | 2ln3+ || 3Mn2+ | 3Mn
3Mn | 3Mn2+ || 2ln3+ | 2ln
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