Nilai bilangan okidasi dari S didalam Na2SO3 adalah . . .
Penyetaraan Redoks

Quiz
•
Chemistry
•
12th Grade
•
Medium
Irma Muniroh
Used 79+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
+4
+5
+6
+7
+8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan pernyataan berikut.
(1) pengikatan oksigen
(2) pelepasan oksigen
(3) pelepasan elektron
(4) penyerapan elektron
(5) pertambahan bilangan oksidasi
(6) penurunan bilangan oksidasi
Pernyataan yang sesuai dengan konsep reaksi oksidasi ditunjukkan oleh nomor ....
(1), (3), dan (6)
(1), (2), dan (4)
(1), (3), dan (5)
(2), (3), dan (5)
(2), (4), dan (6)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan reaksi berikut :
Perubahan biloks yang terjadi pada unsur Cl pada reaksi di atas adalah....
+7 menjadi +5
+7 menjadi +3
+5 menjadi +7
+5 menjadi +6
+5 menjadi +3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi reduksi dapat ditunjukkan oleh terjadinya....
penambahan proton
pelepasan elektron
penambahan muatan atom
penangkapan oksigen
pengurangan bilangan oksidasi
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
a H2O(l) + b Cl-(aq) + 2MnO4-(aq) → c Cl2(g) + 2MnO2(s) + d OH-(aq)
Setelah persamaan reaksi disetarakan maka harga a, b, c dan d adalah . . . .
3, 4, 6, 8
4, 6, 3, 8
6, 4, 3, 4
6, 8, 3, 4
8, 6, 4, 3
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika reaksi:
Cu2+(aq) + NO(g) → Cu(s) + NO3–(aq) (belum setara) dilengkapi maka persamaan reaksi itu akan mengandung ....
10 H+ dan 5 H2O
8 OH– dan 4 H2O
8 H+ dan 4 H2O
4 OH– dan 2 H2O
4 H+ dan 2 H2O
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Pada reaksi berikut.
a KMnO4 + b HCl ⎯⎯→ c Cl2 + d MnCl2 + e KCl + f H2O
Nilai a dan c yang sesuai adalah ….
2, 5
2, 8
5, 8
5, 16
8, 16
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