REMIDIAL PAT KD 3.10 LARUTAN ASAM BASA
Quiz
•
Chemistry
•
11th Grade
•
Medium
Solvina Malahina
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 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–
NH3 dan OH–
H2O dan NH4+
H2O dan OH–
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Besarnya pH larutan 0,74 gram Ca(OH)2 (Ar Ca = 40, O = 16, dan H = 1) dalam
500 mL larutan adalah … .
2 – log 4
2 + log 4
11 + log 4
12 – log 4
12 + log 4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
pH larutan asam etanoat 0,2 M (Ka = 2 × 10–5) adalah … .
3 – log 2
1 – log 2
4 – log 4
2 – log 2
5 – log 2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Derajat keasaman (pH) dari larutan 100 ml H2SO4 0,02 M adalah . . . .
2 – log 4
2 + log 4
2 + log 2
12 + log 4
12
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan Basa lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .
11
3
9
14
6
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Beberapa larutan diuji dengan kertas lakmus didapat hasil sebagai berikut.
Larutan Lakmus Merah Lakmus biru
1 Merah Merah
2 Biru Biru
3 Merah Merah
4 Biru Biru
5 Merah Biru
Berdasarkan data di atas, larutan yang bersifat asam adalah…..
Larutan 1 dan 2
Larutan 1 dan 3
Larutan 2 dan 3
Larutan 2 dan 4
Larutan 4 dan 5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pernyataan yang benar adalah ...
Lewis : Asam merupakan pendonor proton
Arrhenius : Basa melepaskan proton dalam air
Lowry : Basa menerima proton dari asam
Bronsted : Asam menerima elektron dari basa
Arrhenius : Asam melepaskan ion H+ dalam air
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