
Konsep Reaksi Redoks
Authored by Fransiska della
Chemistry
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Pada reaksi redoks, zat yang mengalami peristiwa oksidasi adalah zat yang ….
melepas oksigen
menangkap elektron
menyebabkan spesies lain teroksidasi
melepas elektron
bertindak sebagai oksidator
2.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Reaksi reduksi adalah ....
reaksi pengikatan elekton
reaksi menerima proton
reaksi pelepasan oksigen
reaksi pengikatan oksigen
reaksi pelepasan elektron
3.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Dibawah ini yang bukan merupakan reaksi reduksi berdasarkan transfer elektron adalah ….
Na2(g) + 6e- → 2N3-(aq)
Mg+ (aq) + 2e- → Mg(s)
2O2(g) + 4e- → 2O2-(g)
K+(aq) + e- → K(s)
2F- (aq) → F2 (g) + 2e-
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nitrogen mempunyai bilangan oksidasi +1 pada senyawa ….
N2O
HNO3
N2O4
NH3
NO
5.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Jika logam besi dibiarkan di udara, maka dapat terjadi reaksi: 4Fe + 3O2 → 2Fe2O3. Dalam hal ini, unsur besi merupakan ....
zat yang teroksidasi
zat hasil reduksi
zat hasil oksidasi
zat yang mengalami reduksi
zat yang tereduksi
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Perhatikan reaksi-reaksi berikut ini:
i. C(s) + O2(g) → CO2(g)
ii. MgO(s) → Mg(s) + ½O2(g)
iii. 2S(s) → 3O2(s) + SO3(s)
iv. H2O(l) → H2(s) + ½O2(s)
Di antara reaksi – reaksi di atas yang merupakan reaksi reduksi adalah ….
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
(3) dan (4)
7.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah....
2Na2O → 4Na + O2
2BaO2 → 2BaO + O2
2K + O2 → 2K2O
Cu2O + H2 → 2Cu + H2O
a. 2Na2O2 → 2Na2O + O
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