Redoks

Quiz
•
Chemistry
•
10th Grade
•
Medium
Mita guru
Used 7+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi atom S dalam asam sulfit adalah
-2
+2
+4
+6
+8
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
aAl(s) + bPb(NO3)2(g) → cAl(NO3)3(aq) + dPb(s)
(ada beberapa jawaban)
a = 3
b = 3, c = 3
a = 2, c = 3
b = 3, d = 3
c = 2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Di antara reaksi-reaksi berikut yang merupakan reaksi redoks adalah….
SO3 + H2O → H2SO4
Cu + Cl2 → CuCl2
AgNO3 + HCl → AgCl + HNO3
CaO + H2O → Ca(OH)2
NaOH + HCl → NaCl + H2O
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi Mn yang paling tinggi di antara senyawa-senyawa berikut adalah...
MnO2
Mn3O4
K2MnO4
Mn2O3
KMnO4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan pernyataan berikut
1) reaksi pelepasan hidrogen
2) reaksi penurunan bilangan oksidasi
3)reaksi pembebasan elektron
4)reaksi pengikatan elektron
Dari pernyataan diatas yang merupakan konsep dari reaksi reduksi adalah ....
(2), (4)
(1), (2), (3)
(1), (3)
(3) (4)
(3)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
CuO + H2 → Cu + H2O
Yang bertindak sebagai Oksidator adalah …
COOH
CuO
H2O
Cu
tidak ada
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
Yang bertindak sebagai Reduktor adalah . . .
HCl
MnCl2
MnO2
2H2O
tidak ada
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