
Asam-Basa
Quiz
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Chemistry
•
University
•
Practice Problem
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Medium
Atiek Sugita
Used 6+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada reaksi asam basa berikut:
(1) HCO3-+ H2O → H2CO3 + OH-
(2) HS- + H2O → H3O+ + S2-
(3) HPO42- + H3O+ → H2PO4- + H2O
H2O bertindak sebagai basa menurut teori asam basa Bronsted-Lowry terdapat pada reaksi ….
1, 2, dan 3
1
2
3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Menurut teori asam basa Arrhenius, basa adalah .....
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai . . . .
akseptor psangan elektron
donor pasangan elektron
akseptor proton/ion H^+
donor proton/ion H^+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah konsentrasi ion [OH–] dalam larutan jika konsentrasi H+ = 2 X 10-4 M (Diketahui Kw = 10-14)…….
5 X 10-11
5 X 10-10
5 X 1011
5 X 1010
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan asam lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .
11
3
6
8
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada pelarutan NH3 terjadi kesetimbangan sebagai berikut.
NH3(aq) + H2O(l) ⇌ NH4+ (aq) + OH– (aq)
Yang merupakan pasangan asam-basa konjugasi adalah ….
NH3 dan H2O
NH4+ dan OH–
H2O dan NH4+
H2O dan OH–
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pernyataan konsep asam-basa berikut ini benar, kecuali ...
Lewis : Asam merupakan akseptor pasangan elektron
Arrhenius : Basa melepaskan ion OH- dalam air
Bronsted-Lawry : Asam merupakan donor proton
Lewis: Basa merupakan donor proton
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