(3.9.) Retest II - Redoks (Bilangan Oksidasi)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
Jhony Fahamzah
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Konsep reaksi redoks terdapat pada reaksi berikut, yaitu ....
NaOH(aq)+ HCl(l) →NaCI(aq) + H2O(l)
Fe(s)+ 2HCI(l) → FeCl2(s) + H2(g)
2 Mg(OH)2(aq)+ HCl(aq)→2 MgCl2(aq) + H2O(l)
Fe2O3(aq) + 2 H3PO4(aq) →2 FePO4(aq) + 2H2O(l)
KOH(aq)+ HCl(l) →KCI(aq) + H2O(l)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Biloks atom karbon pada ion CO32-adalah ....
-2
-1
+2
+3
+4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Biloks atom halogen paling tinggi terdapat pada senyawa ....
I-
CuI2
KClO4
Cl2O5
BrO3-
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
K2CrO4(aq)+ H2SO4(aq) → K2SO4(aq) +K2Cr2O7(aq)+ H2O(l)
Biloks krom berubah dari ...
3 ke 6
6 ke 3
6 ke 8
6 ke 12
tidak berubah
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bilangan oksidasi yang bernilai +1 dan -1 terdapat pada senyawa ....
H2O dan O2
OF2 dan HNO3
H2O2 dan H2O
O2 dan HNO3
OF2 dan H2O2
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Biloks P dalam senyawa Na3PO4 adalah ...
+5
-5
+7
-7
+3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Biloks Mn dari senyawa KMnO4 adalah ....
-7
+6
+7
-6
-5
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