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Quiz
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Chemistry
•
11th Grade
•
Practice Problem
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yeny merinda
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Menurut teori Arrhenius, CH3COOH adalah senyawa yang bersifat ….
asam, karena melepas 1 ion H+
asam, karena melepas 4 ion H+
basa, karena melepas 1 ion OH-
basa, karena melepas 2 ion OH-
netral, karena tidak terionisasi
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ion-ion OH- akan terbentuk di dalam air ketika melarutkan zat ….
HCl
NH3
NaCl
H2SO4
HCOOH
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara kelompok asam berikut, yang bervalensi dua adalah ....
HNO3, CH3COOH, dan H3PO4
H2SO3, H2CO3, dan CH3COOH
HNO3, HCl, dan H2SO4
H2SO4, H2S, dan H2CO3
H2SO4, H3PO4, dan HNO3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan persamaan reaksi berikut:
H2PO4-(aq) + H2O (l) ⇄ HPO42-(aq) + H3O+(aq)
Pasangan asam-basa konjugasi menurut Bronsted-Lowry adalah ….
H2PO4- dan H2O
HPO42- dan H3O+
H2PO4- dan H3O+
HPO42- dan H2O
H2PO4- dan HPO42-
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Basa konjugasi dari HS- adalah ….
H2S
S2-
(A) HS-
H+
H2O
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Di antara spesi berikut, yang tidak mungkin berlaku sebagai asam Bronsted-Lowry adalah ....….
NH4+
CO32-
H2O
H2CO3
HCO3-
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pernyataan yang tepat berdasarkan persamaan reaksi disamping adalah ….
NH3 bertindak sebagai asam karena mendonorkan proton
H+ bertindak sebagai basa karena menerima proton
NH3 bertindak sebagai asam karena melepaskan ion H+
H+ bertindak sebagai basa karena menerima pasangan elektron
NH3 bertindak sebagai basa karena mendonorkan pasangan elektron
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