PTS KIMIA KELAS X ABSEN GANJIL
Quiz
•
Chemistry
•
10th Grade
•
Hard
Dwi Harta
Used 21+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Reaksi oksidasi dapat diartikan sebagai berikut ini, kecuali ....
pengurangan bilangan oksidasi
pengikatan oksigen
pelepasan elektron
peningkatan bilangan oksidasi
kenaikan muatan listrik
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Di antara reaksi berikut, yang bukan reaksi redoks menurut konsep pengikatan oksigen adalah ….
CO + O2 → CO2
Cℓ2 + I2 → 2 Cℓ + I2
2 H2 + O2 → 2 H2O
2 SO3 → 2 SO2 + O2
4 Fe + 3 O2 → 2 Fe2O3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bilangan oksidasi atom oksigen pada senyawa OF2 adalah ....
-2
0
-1
+1
+2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi S dalam senyawa Na2S2O3 adalah ….
+2
+3
+4
–2
–3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi C pada C2H6 dan CO berturut-turut adalah…
+3 dan +4
+2 dan +3
-2 dan +1
-3 dan +2
-2 dan +3
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Unsur Cℓ dengan bilangan oksidasi tertinggi terdapat pada senyawa ....
KCℓ
NaCℓO
HCℓO3
HCℓO2
KCℓO4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyaatan berikut yang tidak tepat adalah ….
reduksi melibatkan pengikatan elektron
oksidasi melibatkan kenaikan biloks
reduktor adalah zat yang mengalami kenaikan bilangan oksidasi
oksidator memiliki kemampuan untuk mereduksi senyawa lain
oksidator adalah zat yang tereduksi
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