UH Reduksi Oksidasi asik
Quiz
•
Chemistry
•
10th Grade
•
Hard
Sefty Laila
Used 27+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reduksi dapat dipandang sebagai peristiwa …
penambahan bilangan oksidasi
penambahan ion H+
penambahan muatan atom
penambahan elektron
penurunan tingkat oksidasi
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada reaksi redoks, spesies yang mengalami peristiwa oksidasi adalah…
Spesies yang melepas oksigen
Spesies yang menangkap elektron
Spesies yang menyebabkan spesies lain teroksidasi
Spesies yang melepas elektron
Spesies yang bertindak sebagai oksidator
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan yang tidak benar tentang reaksi reduksi berikut adalah…
Pelepasan oksigen
Pengurangan bilangan oksidasi
Penerimaan elektron
Zat reduktor
Zat oksidator
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari beberapa reaksi berikut ini yang merupakan reaksi redoks adalah…
Ag+ + Cl¯ → AgCl
H+ + Cl¯ → HCl
NaOH + HCl → NaCl + H2O
CuO + 2H+ → Cu2+ + H2O
Cu2+ + Zn → Cu + Zn2+
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari beberapa reaksi berikut yang bukan reaksi redoks adalah…
2I¯ + Cl2 → I2 + 2Cl¯
NaOH + HCl → NaCl + H2O
2KI + Cl2 → I2 + 2KCl
FeO + CO → Fe + CO2
2Pb + O2 → 2PbO
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Contoh reaksi oksidasi adalah …
Cu2+ → Cu
I2 → I-
S2- → S
Fe3+ → Fe2+
H2O → H+
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nilai bilangan okidasi dari Cr didalam K2CrO4 adalah . . .
+4
+5
+6
+7
+8
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