
Reaksi Redoks

Quiz
•
Chemistry
•
10th Grade
•
Hard
Supra Budiarta
Used 2+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi S pada senyawa H2S, SO2, H2SO4, SO3, dan H2SO3 berturut-turut adalah
-2,+4,+6, +6, +4
-2, +6,+4,+6,+4
+4,-2,+4, -6,+2
+4,+4.+6,+6,+6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I2(aq) + 2NaOH-(aq) → NaI(aq) + NaIO (aq) + H2O
Pernyataan yang benar mengenai reaksi tersebut adalah
Merupakan reaksi disproporsionasi karna biloks I2 berubah dari 0 menjadi -1 dan -1
Merupakan reaksi konproporsionasi karna biloks I2 berubah dari 0 menjadi -1 dan +1
Merupakan reaksi autoredoks/ disproporsionasi karna I2 mengalami reaksi reduksi dan oksidasi sekaligus
Merupakan reaksi konproporsionasi karna I2 mengalami reaksi reduksi dan oksidasi sekaligus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atom S yang mengalami reaksi reduksi adalah
2S + 3O2 → 2SO3
H2S + O2 → SO2 + H2O
SO32- + NO3- + 2H+ → SO42- + NO + H2O
SO2 + 2H2 → S + 2H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Bilangan oksida atom Cr yang sama dengan bilangan oksida Mn yang terdapat pada senyawa MnO42- adalah
CrO
CrCl3
Cr2O72-
Cr2O3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oksidator yang menerima 5 electron adalah
Cr2O72- (aq) → Cr3+ (aq)
NO3- (aq) → NO2(g)
Cl2(g) → Cl- (aq)
MnO4- (aq) → Mn2+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biloks kromium yang sama pada pasangan senyawa berikut adalah
K2Cr2O7 dan Cr2O3
K2CrO4 dan H2Cr2O7
Cr2O3 dan H2Cr2O7
K2CrO4 dan Cr2O3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari reaksi berikut yang merupakan reaksi redoks adalah
Na+ + Cl- → NaCl
2Zn + 4HCl → 2ZnCl2 + 2H2
KOH + HCl→KCl + H2O
SO2 + OH- → HSO3-
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