Reaksi Oksidasi dan Reduksi

Quiz
•
Chemistry
•
10th Grade
•
Medium
Dwi Handayani
Used 4+ times
FREE Resource
5 questions
Show all answers
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), (2) dan (4)
(1), (3) dan (5)
(1), (3) dan (6)
(2), (4) dan (5)
(2), (4) dan (6)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
+1 menjadi -1 dan 0
-1 menjadi +1 dan 0
0 menjadi -1 dan -2
0 menjadi -1 dan +1
-2 menjadi 0 dan +1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Peristiwa berikut bukan contoh reaksi redoks dalam kehidupan sehari-hari, yakni . . .
Perkaratan logam besi; Fe dalam pagar terkelupas catnya
Pelapisan logam besi oleh logam seng
Proses pemutihan noda dalam serat kain putih
Pembakaran bahan-bakar di kendaraan bermotor
Obat maag bereaksi dalam lambung
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan reaksi berikut: 2Cl− → Cl2 + 2e− Reaksi tersebut merupakan reaksi ..
Oksidasi
Disosiasi
Reduksi
Amfoter
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bilangan oksidasi atom Cr dalam senyawa K2CrO4 adalah ...
+1
+2
+3
+4
+6
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