
UH REDOKS
Authored by Fitratul Imaniyah
Chemistry
University
Used 4+ times

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15 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
Spesies yang bertindak sebagai oksidator
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
. Zat oksidator
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
Energi ionisasi rendah
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
CuO + 2H+ → Cu2+ + 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
Cr2O72+ → CrO42-
. H2O → H+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa yang bilangan oksidasi unsur hidrogen-nya = –1 adalah....
NH3
HNO3
NaH
H2O
. PH3
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
-2 menjadi 0 dan +1
. 0 menjadi -1 dan +1
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