Pada reaksi : Zn + H2SO4 ---> ZnSO4 + H2
Zn mengalami oksidasi karena ....
UH Redoks
Quiz
•
Chemistry
•
10th Grade
•
Medium
Duwi Lestari
Used 25+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada reaksi : Zn + H2SO4 ---> ZnSO4 + H2
Zn mengalami oksidasi karena ....
melepas oksigen
mengikat oksigen
mengikat elektron
larut dalam H2SO4
mengalami penurunan bilangan oksidasi
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui beberapa proses kimia yang terjadi dalam kehidupan sehari-hari.
1. Lilin yang menyala
2. Perkaratan besi
3. Fotosintesis tumbuhan
4. Minyak yang menjadi tengik
Proses redoks terjadi pada nomor ....
1 dan 2
2 dan 3
3 dan 4
1,2, dan 3
1, 2, 3, dan 4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Zat SO2 bertindak sebagai oksidator pada reaksi ....
SO2 + H2O → H2SO3
2SO2 + O2 → 2SO3
SO2 + PbO → PbSO3
SO2 + 2H2S → 2H2O + 3S
SO2 + Ba(OH)2 → BaSO3 + H2O
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi belerang dalam H2SO4 adalah ....
-2
-1
+2
+4
+6
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan beberapa spesi klorin berikut.
(1) HClO2
(2) Al(ClO)3
(3) ClO3
(4) Cl2O3
Klorin dengan bilangan oksidasi +3 terdapat dalam ....
(1)
(1) dan (2)
(1) dan (3)
(1) dan (4)
(2) dan (3)
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan beberapa senyawa tembaga berikut.
(1) Cu2O
(2) CuO
(3) CuNO3
(4) CUSO4
Tembaga dengan bilangan oksidasi +2 terdapat dalam senyawa ....
(1) dan (2)
(1) dan (3)
(1) dan (4)
(1) dan (3)
(2) dan (4)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada reaksi 2Na + 2H2O → 2NaOH + H2
Bilangan oksidasi Na Berubah dari ....
0 menjadi -1
0 menjadi +1
-1 menjadi 0
+1 menjadi 0
+1 menjadi -1
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