UK 1 Redoks

Quiz
•
Chemistry
•
10th Grade
•
Medium
Ika Yudiswastika
Used 17+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zat berikut ini yang mengandung atom hidrogen dengan bilangan oksidasi − 1 adalah ....
H2
HF
H2O
HCl
KH
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur logam yang mempunyai bilangan oksidasi +7 terdapat pada ion ....
VO43−
MnO4−
AsO43−
Cr2O72−
Fe(CN)63−
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan senyawa-senyawa berikut ini :
1) KMnO4
2) MnO
3) K2MnO4
4) MnO2
Urutan senyawa dari bilangan oksidasi terendah adalah ....
1) - 3) - 4) - 2)
2) - 4) - 3) - 1)
2) - 4) - 1) - 3)
1) - 4) - 3) - 2)
3) - 1) - 2) - 4)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui 3 senyawa oksida, yaitu NO, CO2, dan Cl2O. Bilangan oksidasi unsur Nitrogen, karbon, dan klorin pada ketiga senyawa berturut-turut adalah ....
+ 1, + 2, dan + 3
+ 1, + 3, dan + 2
+ 2, + 3, dan + 1
+ 2, + 4, dan + 1
+ 3, + 4, dan + 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konsep yang menjelaskan redoks dibawah ini adalah…
Pelepasan dan penerimaan elektron.
Penerimaan electron
Penurunan bilangan oksidasi
Pelepasan oksigen
Penerimaan oksigen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi kimia yang ditandai berkurangnya senyawa yang mengandung oksigen disebut…
reduktor
oksidator
oksidasi
reduksi
redoks
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apabila suatu unsur menerima elektron, maka ....
Bilangan oksidasinya akan turun
Bilangan oksidasinya akan naik
Reaktivitasnya akan meningkat
Unsur tersebut mengalami oksidasi
Menghasilkan bilangan oksidasi positif
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