KIMIA XII
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
udurma sinaga
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 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 reduksi ditunjukkan oleh nomor ....
(1), (3) dan (5)
(2), (4) dan (6)
(1), (3) dan (6)
(2), (4) dan (5)
(1), (2) dan (4)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-1 menjadi +1 dan 0
+1 menjadi -1 dan 0
0 menjadi -1 dan -2
-2 menjadi 0 dan +1
0 menjadi -1 dan +1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
MnO2
HCl
MnCl2
H2O
Cl2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi N paling rendah terdapat pada senyawa ….
HNO3
HNO2
N2O
NO
NO2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi S dalam senyawa S2O72–adalah …
-2
-4
+4
+6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi Cl pada Cl2, KClO2, AlCl3, dan HClO berturut-turut adalah …
0, +4, -1, dan +3
0, +2, +1, dan +3
0, +3, -1, dan +1
0, +3, +1, dan -1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)
zat yang berperan sebagai oksidator adalah ….
Cu
AgNO3
Cu(NO3)2
Ag
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