
redoks 1
Quiz
•
Chemistry
•
1st - 5th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 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
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pernyataan yang tidak benar tentang reaksi reduksi berikut adalah…
Pelepasan oksigen
Pengurangan bilangan oksidasi
Penerimaan elektron
Zat reduktor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bila suatu unsur atau spesies menerima elektron, maka…
Bilangan oksidasinya (biloks) akan turun
Bilangan oksidasinya (biloks) akan naik
Elektronegativitasnya relatif tinggi
Unsur mengalami oksidasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari beberapa reaksi berikut ini yang merupakan reaksi redoks adalah…
Ag+ + Cl- → AgCl
H+ + Cl- → HCl
NaOH + HCl → NaCl + H2O
Cu2+ + Zn → Cu + Zn2+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah yang merupakan contoh reaksi oksidasi...
Cu2+ → Cu
F2 → F-
Cl- → Cl2
H2O → H+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa yang bilangan oksidasi unsur hidrogen-nya = –1 adalah....
NH3
HNO3
NaH
H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi berikut:
Cl2(aq) + 2KOH(aq) → KCl(aq) + KClO(aq) + H2O(l)
perubahan bilangan oksidasi unsur klor adalah…
-1 menjadi +1 dan 0
+1 menjadi -1 dan 0
0 menjadi -1 dan -2
0 menjadi -1 dan +1
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