Reaksi Redoks dan Sel Elektrokimia XII MIA 1

Quiz
•
Chemistry
•
12th Grade
•
Medium
putri 0105
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25 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Bilangan oksidasi N dalam senyawa NH4NO3 adalah ....
+3 dan +5
-3 dan +5
+1 dan +3
-1 dan +5
-2 dan +3
2.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Bilangan oksidasi klor paling tinggi pada senyawa .....
NaClO3
NaCl
KClO
Cl2
KClO4
3.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Perhatikan reaksi redoks berikut :
ClO3- (aq) + Fe2+ (aq) + 6 H+ (aq) → Cl- (aq) + Fe3+ (aq) + 3 H2O (l)
Berdasarkan reaksi redoks di atas, reduktor dan hasil reduksi berturut-turut adalah .....
ClO3- dan Cl-
ClO3- dan Fe3+
Fe2+ dan Cl-
H+ dan H2O
Fe3+ dan Cl-
4.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Reaksi-reaksi berikut yang termasuk reaksi redoks adalah .....
HCl (aq) + NaOH (aq) → NaCl (s) + H2O (l)
AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq)
4Fe (s) + 3O2 (g) → 2Fe2O3 (s)
NH4OH (aq) + HI (aq) → NH4I (s) + H2O (l)
2KBr (aq) + CaCl2 (aq) → 2KCl (s) + CaBr2 (aq)
5.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Perhatikan reaksi redoks berikut :
2AuCl3 (aq) + 3H2O2 (aq) → 2Au (s) + 6HCl (aq) + 3O2 (g)
Berdasarkan reaksi redoks di atas, oksidator dan hasil oksidasi berturut-turut adalah ....
Au dan O2
AuCl3 dan O2
H2O2 dan O2
H2O2 dan HCl
Au dan HCl
6.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Perhatikan persamaan reaksi redoks berikut !
a Br2 (l) + b OH- (aq) → c BrO3- (aq) + d Br- (aq) + e H2O (l)
Nilai dari a, b, c, d dan e secara berturut-turut adalah .....
3, 1, 6, 3 dan 5
3, 6, 1, 5 dan 3
6, 2, 2, 5 dan 3
6, 3, 3, 1 dan 5
6, 4, 2, 1 dan 5
7.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Diketahui persamaan reaksi berikut :
3 I2 (g) + 6 NaOH (aq) → NaIO3 (aq) + 5 NaI (aq) + 3 H2O (l)
Perubahan bilangan oksidasi pada reaksi autoredoks adalah ....
Iodin dari -1 menjadi 0 dan +1
Iodin dari 0 menjadi +2 dan -1
Iodin dari 0 menjadi +5 dan -1
Natrium dari +1 menjadi -1 dan 0
Natrium dari 0 menjadi +1 dan 0
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