
latihan 1
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Di antara setengah reaksi di bawah ini yang merupakan reaksi oksidasi adalah ….
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Koefisien yang benar untuk reaksi redoks yang belum setara berikut : aFe + bH2SO4 → cFe2(SO4)3 + dSO2 + eH2O adalah….
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Pernyataan yang benar mengenai sel elektrokimia adalah ….
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Suatu sel volta dirangkai dengan menggunakan setengah sel Sn│Sn2+ dan Zn│Zn2+, pengukuran menunjukan bahwa Zn adalah ktub negatif. Pernyataan berikut ini yang tidak benar adalah ….
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Diketahui potensial reduksi : Fe2+ + 2e → Fe E0 = - 0,44 volt Al3+ + 3e → Al E0 = - 1,66 volt Harga potensial sel untuk reaksi : 3Fe2+ + 2 Al → 3Fe + 2Al3+ adalah ….
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Diketahui E0 : Zn2+ / Zn = - 0,76 volt Fe2+ / Fe = - 0,41 volt Pb2+ / Pb = - 0,13 volt Cu2+ / Cu = + 0,34 volt Ag+ / Ag = + 0,80 volt Sel kimia berikut ini yang menghasilkan E0 sel paling besar adalah ….
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Diketahui : E0 Pb2+ / Pb = - 0,13 volt E0 Fe2+ / Fe = - 0,41 volt . Harga potensial sel volta yang disusun dengan menggunakan elektroda Pb dan Fe adalah….
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