
penyetaraan reaksi redoks

Quiz
•
Chemistry
•
University
•
Medium
Tiara Arianti
Used 6+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui reaksi:
aZn + bNO3- -> c Zn 2+ + NH4+ (suasana asam)
jika reaksi diatas disetarakan maka koefisien a, b, dan c berturut-turut adalah....
4, 1, 1
4, 1, 2
4, 1, 3
4, 1, 4
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
salah satu pengertian oksidasi adalah...
penerimaan elektron
pelepasan proton
pelepasan elektron
penerimaan atau pelepasan oksigen
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam reaksi redoks:
Cu2+ + Zn -> Cu + Zn2+
mana yang berperan sebagai agen pengoksidasi?
Cu
Cu2+
Zn
Zn2+
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
perhatikan reaksi redoks berikut
K2Cr2O7 + FeSO4 + H2SO4 -> K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O
Perubahan bilangan oksidasi atom pada setengah reaksi reduksinya adalah....
+6 menjadi +4
+6 menjadi +3
+6 menjadi +2
+8 menjadi +5
+8 menjadi +4
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan reaksi redoks yang belum setara berikut
As2S3 + ClO3- -> H3AsO4 + SO42- + Cl-
Jumlah mol elektron yang terlibat per mol oksidator adalah....
6
3
18
9
12
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
oada reaksi redoks :
Zn + Cu2+ -> Zn2+ + Cu
manakah yang mengalami oksidasi?
Zn2+
Cu2+
Cu
Zn
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
apa yang dimaksud dengan reduksi...
pelepasan proton
Penerima elektron
penerima proton
pelepasan elektron
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