Untuk setara reaksi redoks 2 KMnO4 + 5H2C2O4 +
3 H2SO4 → K2SO4 + 2 MnSO4 +10 CO2 + 8H2O terjadi perpindahan elektron ; e dilepas reduktor sama dengan e diterima oksidator sebanyak …
Reaksi reduksi dan reaksi oksidasi X Smstr 2
Quiz
•
Chemistry
•
10th Grade
•
Medium
Toni Suhartono
Used 542+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Untuk setara reaksi redoks 2 KMnO4 + 5H2C2O4 +
3 H2SO4 → K2SO4 + 2 MnSO4 +10 CO2 + 8H2O terjadi perpindahan elektron ; e dilepas reduktor sama dengan e diterima oksidator sebanyak …
1
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara reaksi-reaksi berikut merupakan reaksi koproporsionasi ialah ...
2 H2S (aq) + SO2 (g) → 3 S (s) + 2 H2O (ℓ).
2 NaOH (aq) + H2SO4 (aq) → Na2SO4 (aq) + 2 H2O (ℓ).
FeCl3 (aq) + 3 KOH (aq) → Fe(OH)3 (s) + 3 KCl (aq).
CH3COOH (aq) + NaOH (aq) → CH3COONa (aq) + H2O(ℓ).
Mg(OH)2 (aq) + HNO3 (aq) → Mg(NO3)2 (aq) + 2H2O (ℓ).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui reaksi Cl2 + SO2 + 2H2O → 2HCl + H2SO4, maka pereaksi sebagai reduktor, yaitu ...
H2SO4
HCl
H2O
SO2
Cl2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rumus kimis nitrogen (IV) oksida adalah …
N2O5
N2O3
NO2
N2O
NO
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Fe2O3 adalah rumus kimis senyawa …
besi oksigen
besi (I) oksida
besi (II) oksida
besi (III) oksida
besi oksida
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rumus kimis kalium sulfit ialah …
K2S4O6
K2S2O3
K2SO4
K2SO3
K2S
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reaksi di bawah ini adalah reaksi autoredoks; disproporsionasi, yakni ...
CH4 + 2 O2 → CO2 + 2 H2O
Zn + 2 HCl → ZnCl2 + H2
SO2 + H2S → H2O + 3 S
Cl2 + 2 KOH → KCl + KClO + H2O
Na2S2O3 + I2 → 2 NaI + Na2S4O6
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