Ulangan Harian Penyetaraan Reaksi Redoks
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Ellen Dewi
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Setengah reaksi reduksi NO3– menjadi N2O adalah sebagai berikut.
a NO3–(aq) + b H+ + 8 e– ⎯⎯→ c N2O(g) + d H2O(l)
Nilai a dan b yang cocok adalah ….
2, 5
2, 10
, 1, 4
1, 5
3, 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Reaksi reduksi dapat ditunjukkan oleh terjadinya....
penambahan proton
pelepasan elektron
penambahan muatan atom
penangkapan oksigen
pengurangan bilangan oksidasi
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bilangan oksidasi nitrogen dalam HNO3 adalah....
–5
-3
0
+3
+5
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dalam senyawa manakah mangan memiliki bilangan oksidasi tertinggi?
MnO2
K2MnO4
MnO
KMnO4
Mn2O3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi Mn dalam KMnO4 adalah ….
0
+2
+5
+7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi Cr dalam ion Cr2O72- adalah ....
-2
+2
+6
+12
+7
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bilangan oksidasi S dalam senyawa S2O72–adalah ….
-2
-4
-6
+4
+6
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