Redoks
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
pembelajaran matematika
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15 questions
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1.
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
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 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
1 min • 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
1 min • 1 pt
Manakah yang merupakan contoh reaksi oksidasi...
Cu2+ → Cu
F2 → F-
Cl- → Cl2
H2O → H+
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Senyawa yang bilangan oksidasi unsur hidrogen-nya = –1 adalah....
NH3
HNO3
NaH
H2O
7.
MULTIPLE CHOICE QUESTION
1 min • 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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