
Ujian Kimia Semester Ganjil
Authored by IZZATUL LAILIYAH
Chemistry
12th Grade
Used 2+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perubahan berikut yang merupakan reduksi adalah….
NH3 menjadi NH4+
NH3 menjadi NH2-
NO2 menjadi NO3-
N2 menjadi NH3
N2 menjadi NO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan reaksi berikut. Cl2 (g) + 2e- --> 2Cl- (aq) Reaksi tersebut merupakan reaksi….
Redoks
Oksidasi
Reduksi
Disproporsionasi
Konsproporsionasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi S dalam senyawa besi (III) sulfat {Fe2(SO4)3} adalah….
+4
+6
+8
+10
+12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi fosforus (P) paling rendah terdapat pada senyawa….
H2PO4-
HPO32-
PO43-
H3PO4
P2O5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang bukan merupakan reaksi redoks adalah….
3Cu (s) + 8HNO3 (aq) --> 3Cu(NO3)2 (aq) + 2NO (g) + 4H2O (l)
Mg (s) + 2H2SO4 (aq) --> MgSO4 (aq) + SO2 (g) + 2H2O (l)
S (s) + O2 (g) --> SO2 (g)
Cl2O7 (s) + H2O (l) --> 2HClO4 (aq)
2Na (s) + H2SO4 (aq) --> Na2SO4 (aq) + H2 (g)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa berikut yang atom hidrogennya mempunyai bilangan oksidasi -1 adalah….
H2O
Fe(OH)3
AlH3
H2S
Mg(OH)2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut yang mengakibatkan peningkatan bilangan oksidasi nitrogen terbesar adalah….
NH3 (g) + HCl (g) --> NH4Cl (s)
2NH3 (g) + 3CuO (s) --> N2 (g) + 3Cu (s) + 3H2O (l)
2NO (g) + O2 (g) 2NO2 (g)
4NO2 (g) + O2 (g) + 2H2O (l) --> 4HNO3 (aq)
2NO3- (aq) + Cu (s) + 4H+ (aq) --> 2NO2 (g) + Cu2+ (aq) + 2H2O (l)
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