Bilangan Oksidasi - Redoks 10A7
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
wawan sunarwan
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi N paling rendah terdapat pada senyawa ….
HNO3
HNO2
N2O
NO
NO2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi atom S pada senyawa Na2SO4 adalah
+1
+3
+4
+6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Atom oksigen Yang memiliki bilangan oksidasi -1 terdapat dalam
H2O2
NaO
CsO
OF2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Atom Br dalam senyawa KBrO3 memiliki bilangan oksidasi senilai
+1
+3
+5
+7
5.
MULTIPLE CHOICE QUESTION
3 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)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Biloks atom karbon pada ion CO32-adalah ....
-2
-1
+2
+3
+4
7.
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
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