

REAKSI REDOKS & ELEKTROKIMIA PART 1
Presentation
•
Chemistry
•
12th Grade
•
Hard
Sofwatul Umah
Used 2+ times
FREE Resource
16 Slides • 11 Questions
1
REAKSI REDOKS & ELEKTROKIMIA PART 1

2
3
4
5
6
Multiple Choice
Suatu reaksi dikatakan mengalami reaksi redoks jika
mengalami rekasi reduksi
mengalami reaksi oksidasi
mengalami reaksi reduksi dan oksidasi
teroksidasi oleh udara saja
7
8
9
Multiple Choice
Bilangan oksidasi dari SO42- adalah ....
1
+1
+2
-2
10
Multiple Choice
Bilangan Oksidasi dari unsur H2 adalah ....
0
+1
+2
-3
11
12
Multiple Choice
Di antara senyawa dan ion di bawah manakah yang memiliki biloks -1
Na+
PO33-
NH4+
OH-
13
14
Multiple Choice
jumlah total biloks dalam senyawa ZnSO4 adalah ....
0
+1
-2
+3
15
16
Multiple Choice
Bilangan oksidasi Mn dalam KMnO4 adalah ….
0
+2
+5
+7
17
Multiple Choice
Bilangan oksidasi Br dalam BrO3 − adalah...
+5
+3
+1
-1
-5
18
19
Multiple Choice
Reaksi berikut yang termasuk reaksi reduksi menurut konsep pelepasan dan pengikatan oksigen adalah ….
4Fe(s) + 3O2(g) → 2Fe2O3(s)
2Mg(s) + O2(g) → 2MgO(s)
4KClO3(aq) → 2KCl(aq) + 3O2(g)
4FeS2(s) + 11O2(g) → 2Fe2O3(s) + 8SO2(g)
20
21
Multiple Choice
Reaksi berikut yang termasuk reaksi reduksi menurut konsep serah terima
elektron adalah....
Na(s) + HCl(aq) → NaCl(aq)+ H2(g)
H2(g) → 2H+(aq) + 2e-
Cu2+(aq) + 2e- → Cu(s)
Fe2+(aq) → Fe3+(aq) + e-
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23
Multiple Choice
Reaksi berikut yang termasuk reaksi reduksi menurut konsep bilangan oksidasi adalah ….
Al(OH)3(s) → Al(s) + 3OH-(s)
Na(s) + Cl-(aq) → NaCl(aq)
CH3COOH(aq)+ NaOH(aq)→CH3COONa(aq)+ H2O(l)
HCl(aq)+ NaOH(aq) → NaCl(aq)+ + H2O(l)
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26
Multiple Choice
Pada reaksi : 2KClO3 + 3S → KCl + 3SO2 yang berperan sebagai oksidator adalah...
KClO3
S
KCl dan SO2
KCl
SO2
27
REAKSI REDOKS & ELEKTROKIMIA PART 1

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