REAKSI REDOKS PENYETARAAN REAKSI REDOKS
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi S pada H2SO4 adalah....
+4
+5
+6
+7
+ 9
2.
MULTIPLE CHOICE QUESTION
30 sec • 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Setengah reaksi reduksi NO3– menjadi N2O adalah sebagai berikut.
a NO3–(aq) + b H+ + 8 e– ⎯⎯→ c N2O(g) + d H2O(l)
Nilai a dan b yang cocok adalah ….
2, 5
2, 10
, 1, 4
1, 5
3, 5
4.
MULTIPLE CHOICE QUESTION
30 sec • 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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi ion permanganat dan ion oksalat dalam larutan basa memiliki persamaan berikut.
MnO4– (aq) + C2O42–(aq) ⎯⎯→ MnO2(s) + CO32–(aq)
Jika persamaan ini disetarakan, jumlah ion OH– yang dibentuk adalah ….
nol
dua di kanan
dua di kiri
empat di kanan
empat di kiri
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi nitrogen dalam HNO3 adalah....
–5
-3
0
+3
+5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini yang merupakan reaksi oksidasi berdasarkan konsep penangkapan/pelepasan oksigen adalah ….
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