Reaksi Redoks dan Elektrokimia

Quiz
•
Chemistry
•
1st - 3rd Grade
•
Hard
Hanis Fitri
Used 9+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi reduksi menurut konsep pelepasan dan pengikatan oksigen adalah ….
4Fe(s) + 3O2(g) → 2Fe2O3(s)
2Mg(s) + O2(g) → 2MgO(s)
4KClO3(aq) → 2KCl(aq) + 3O2(g)
4FeS2(s) + 11O2(g) → 2Fe2O3(s) + 8SO2(g)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi reduksi menurut konsep serah terima
elektron adalah....
Na(s) + HCl(aq) → NaCl(aq)+ H2(g)
H2(g) → 2H+(aq) + 2e-
Cu2+(aq) + 2e- → Cu(s)
Fe2+(aq) → Fe3+(aq) + e-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi reduksi menurut konsep bilangan oksidasi adalah ….
Al(OH)3(s) → Al(s) + 3OH-(s)
Na(s) + Cl-(aq) → NaCl(aq)
CH3COOH(aq)+ NaOH(aq)→CH3COONa(aq)+ H2O(l)
HCl(aq)+ NaOH(aq) → NaCl(aq)+ + H2O(l)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi oksidasi menurut konsep pelepasan dan pengikatan oksigen adalah ….
2Fe(s) + 3O2(g) → Fe2O3(s)
CuO(s) + H2(g) → Cu(s) + H2O(l)
4KClO3(aq) → 2KCl(aq) + 3O2(g)
2NO2(s) + Na(s) → N2(g) + Na2O(s)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi oksidasi menurut konsep serah terima elektron adalah...
Cu2+ + 2e- → Cu
Fe2+ + 2e- → Cu
Co2+ → Co3+ + e-
Cl2 + 2e- → 2 Cl-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang termasuk reaksi oksidasi menurut konsep bilangan oksidasi adalah ….
AgCl(s) → Ag(s) + Cl-(aq)
Al(OH)3(s) → Al(s) + 3OH-(s)
Mg(OH)2(s) → Mg(s) + 2OH-(s)
Al(s) + 3NO3-(aq) → Al(NO3)3(aq)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan ilustrasi peristiwa korosi paku pada beberapa larutan di atas!
Paku yang paling lambat berkarat adalah paku dalam larutan nomor....
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