redoks1_24
Quiz
•
Chemistry
•
12th Grade
•
Hard
Ratih Dwi
Used 9+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Perhatikan pernyataan berikut
(1) reaksi pelepasan hidrogen
(2) reaksi penurunan bilangan oksidasi
(3) reaksi pembebasan elektron
(4) reaksi pengikatan elektron
Dari pernyataan di atas yang merupakan konsep dari reaksi reduksi adalah ....
(1), (2), (3)
(1), (2)
(3) (4)
(1), (3)
(2), (4)
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Berikut ini yang merupakan reaksi oksidasi berdasarkan konsep penangkapan/pelepasan oksigen adalah ….
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Pada reaksi : 2KClO3 → 2KCl + 3O22KClO3 → 2KCl + 3O2 , peristiwa oksidasi terjadi pada...
atom Cl pada KClO3 menjadi KCl
atom K pada KClO3 menjadi KCl
atom O pada KClO3 menjadi KCl
atom O pada KClO3 menjadi O2
atom Cl pada KCl menjadi KClO3
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Pada reaksi tersebut, bilangan oksidasi Mn mengalami perubahan dari...
+4 menjadi +2
+2 menjadi +4
+1 menjadi +2
+4 menjadi +1
+2 menjadi +1
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Diantara reaksi berikut yang bukan reaksi redoks adalah...
2Al+3H2O→Al2O3+3H2
2Na+2H2O→2NaOH+H2
NaOH+HCl→NaCl+H2O
Mg+2HCl→MgCl2+H2
2CuO+C→2Cu+CO2
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Berikut ini, pernyataan yang benar tentang reaksi oksidasi adalah...
Penerimaan pasangan elektron
Penerimaan elektron
Pertambahan bilangan oksidasi
Reaksi pelepasan oksigen dari senyawanya
Penurunan bilangan oksidasi
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Bilangan oksidasi kromium yang sama pada pasangan senyawa berikut adalah ....
K2Cr2O7 dan Cr2O3
K2Cr2O7 dan Cr(OH)4
K2CrO4 dan K2Cr2O7
K2CrO4 dan Cr(OH)4
Cr(OH)4 dan Cr2O3
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