
Menentukan biloks redoks
Authored by wakhid hasyim
Chemistry
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12 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
HBr
H2SO4
Br2
SO2
H2O
3.
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
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
MnO2
HCl
MnCl2
H2O
Cl2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi N paling rendah terdapat pada senyawa ….
HNO3
HNO2
N2O
NO
NO2
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Bilangan oksidasi kromium ( Cr ) pada spesi-spesi berikut ini yang bilangan oksidasinya setengah dari bilangan oksidasi timbal pada PbO2 adalah ….
CrO
CrCl3
Cr2O72-
Cr2(SO4)3
CrPO4
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Asam Sulfat (H2SO4) merupakan larutan yang dgunakan dalam sel timbal sebagai larutan elektrolit. Bilangan oksidasi S pada asam sulfat adalah ….
+2
+3
+4
+5
+6
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