
Ujian Kimia Semester Ganjil
Quiz
•
Chemistry
•
12th Grade
•
Hard
Khamisah, S.pd.i
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh reaksi oksidasi adalah….
Ag+(aq) berubah menjadi Ag(s)
Cl2(g) berubah menjadi Cl- (aq)
I- (aq) berubah menjadi I2 (s)
Cr6+ berubah menjadi CrO4 2-
H2O berubah menjadi OH- (aq)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam berikut ini, harga bilangan oksidasi belerang yang paling besar adalah….
Na2S
K2SO4
CuSO4
NaHSO3
SO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui reaksi: CL2 +OH- CL- + CLO3 +H2O Koefisien reaksinya berturut-turut adalah….
1-6-1-1-3
2-6-3-1-3
3-6-5-1-3
2-6-1-2-3
1-6-5-1-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang berperan sebagai oksidator pada reaksi di atas adalah . . .
NaI
H2SO4
Mn2+
MnO2
I-
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika reaksi tersebut disetarakan maka nilai koefisien a, b dan c adalah . . .
8, 1, 2
8, 2, 1
16, 1, 8
16, 2, 2
8, 1, 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari pernyataan diatas yang merupakan konsep dari reaksi reduksi adalah ….
(1), (2), (3)
(1), (3)
(1), (2)
(2), (4)
(3) (4)
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Reaksi redoks yang sudah mengalami penyetaraan ialah ….
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