Bilangan oksidasi S dalam H2S, SO42-, H2SO4 dan BaSO4 berturut-turut adalah ….
Sumatif Akhir Semester 1 TP 2024/2025

Quiz
•
Chemistry
•
12th Grade
•
Hard
Agustina Wada
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Diketahui reaksi berikut: 2CO(g) + O2(g) → 2CO2(g) Bilangan oksidasi C berubah dari....
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Pada persamaan oksidasi reduksi berikut Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) Pernyataan yang tepat berdasarkan reaksi di atas adalah....
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Diketahui reaksi redoks berikut : Cr2O72- + Cu+ → Cr3+ + Cu2+ Setelah reaksi disetarakan dalam suasana asam dengan metode setengah reaksi, maka persamaan reaksi setaranya adalah….
Cr2O72- + 14H+ + 6Cu+ → 2Cr3+ + 7H2O + 6Cu2+
2Cr2O72- + 14H+ + 6Cu+ → 2Cr3+ + 7H2O + 6Cu2+
Cr2O72- + 7H+ + 6Cu+ → 2Cr3+ + 7H2O + 6Cu2+
Cr2O72- + 14OH- + 6Cu+ → 2Cr3+ + 7H2O + 6Cu2+
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Suatu reaksi redoks : Cl2 + IO3-→ Cl- + IO4- Jika reaksi tersebut disetarakan dengan metode bilangan oksidasi, maka persamaan reaksi setaranya adalah....
2Cl2 + IO3- + OH-→Cl- + IO4- + 2H2O
Cl2 + IO3- + OH-→Cl- + IO4- + H2O
Cl2 + IO3- + 2OH-→Cl- + IO4- + H2O
Cl2 + IO3- + 2OH-→ 2Cl- + IO4- + H2O
Cl2 + 2IO3- + OH-→Cl- + IO4- + H2O
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Zn2+(aq)|Zn(s)||Ag(aq) |Ag+(s)
Ag(s) |Ag+(aq)||Zn2+(aq) |Zn(s)
Ag(s) |Ag+(aq)||Zn(s)|Zn2+(aq)
Ag+(aq) |Ag(s)||Zn2+(aq) ||Zn(s)
Zn(s)|Zn2+(aq)||Ag+(aq)|Ag(s)
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Perhatikan rangkaian sel Volta berikut! Jika: Zn+2/Zn Eo= –0,76Volt Cu+2 / Cu Eo= +0,34 Volt Maka besarnya potensial sel (Esel) Volta tersebut adalah ....
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