KUIS REAKSI REDOKS DAN SEL VOLTA

Quiz
•
Chemistry
•
12th Grade
•
Medium
Bu Sita
Used 3+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Salah satu unsurnya mempunya bilangan oksidasi +5 terdapat pada senyawa….
HClO4
KNO3
Na2CrO4
MnO4-
2.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Di antara senyawa – senyawa di bawah ini, bilangan oksidasi hidrogennya –1, terdapat pada senyawa….
HNO3
NH4Cl
CaH2
NH3
3.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Bilangan oksidasi dalam senyawanya berharga +2, terdapat pada senyawa….
H2O2
KO2
Na2O
OF2
4.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Dari ion – ion pembentuk senyawa berikut: Na+, Cu2+, NO3-, Al3+, SO42-; pasangan rumus kimia dengan nama senyawanya yang sesuai adalah….
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Pada reaksi redoks yang belum setara di bawah ini:
MnO2(s) + H2SO4(aq)+NaCl(aq) → MnSO4(aq) + Cl2(g) + Na2SO4(aq) +H2O,
unsur dengan perubahan bilangan oksidasi dari +4 menjadi +2 adalah….
Mn
Cl
H
Na
6.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Pada reaksi redoks:
2KMnO4 +3H2SO4+ 5H2C2O4 → K2SO4+2MnSO4+10CO2 +8 H2O
Zat yang berperan sebagai oksidator adalah….
CO2
H2SO4
H2C2O4
KMnO4
7.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Untuk reaksi redoks :
aMnO2(s) + bHCl(aq) → cMnCl2 (aq) + dCl2(g) + eH2O(l)
setelah disetarakan maka nilai koefisien : a,b,c,d dan e berturut – turut adalah….
1, 4,1,1, dan 2
1, 3,1,1, dan 2
1, 2,1,1, dan 2
2, 1,2,3, dan 1
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