
Asam-Basa, Hidrolisis, Buffer
Quiz
•
Chemistry
•
11th Grade
•
Medium
Diella Silitonga
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikut 3 buah persamaan reaksi asam dan basa.
(1) BF3(g) + PH3(g) → BF3PH3(g)
(2) CH3COOH(aq) + OH-(aq) ⇄ CH3COO-(aq) + H2O(aq)
(3) CH3COOH(aq) → CH3COO-(aq) + H+(aq)
Persamaan reaksi asam-basa yang sesuai dengan urutan konsep Arrhenius, Bronsted-Lowry, dan Lewis adalah ....
(3),(2),(1)
(3),(1),(2)
(2),(3),(1)
(2),(1),(3)
(1),(2),(3)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui persamaan reaksi asam basa Bronsted-Lowry berikut:
NH3 + H2O ↔ NH4+ + OH-
HSO4- + CO32- ↔ SO42- + HCO3-
Pasangan asam-basa Bronsted-Lowry secara berurutan adalah ....
HSO4- dan HCO3-
NH3 dan OH-
H2O dan OH-
NH3 dan H2O
NH4+ dan OH-
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 100 mL larutan CH3COOH 0,10 M dicampur dengan 100 mL larutan CH3COOK 0,20 M. Nilai pH yang dihasilkan adalah ..... (Ka = 1,8×10-5)
5 – log 3,6
6 – log 9
5 – log 1,8
6 + log 9
8 + log 9
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Beberapa campuran penyangga berikut ini:
(1) NH3 dengan (NH4)2SO4
(2) H2CO3 dengan HCO3-
(3) HF dengan NaF
(4) H2PO4- dengan HPO42-
(5) H2CO3 dengan NaHCO3
Komponen larutan penyangga dalam cairan intra sel pada makhluk hidup adalah ....
1
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berikut ini pasangan senyawa/ion yang dapat bertindak sebagai larutan penyangga :
(1) HCN dan CN-
(2) H2PO4- dan HPO42-
(3) H2S dan HS-
(4) NH3 dan NH4+
(5) H2CO3 dan HCO3-
Pasangan senyawa/ion yang terdapat dalam cairan luar sel dalam darah manusia adalah
nomor....
1
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Terdapat beberapa larutan berikut:
(1) 100 mL NH3 0,2M;
(2) 100 mL H2SO4 0,1M;
(3) 100 mL NaOH 0,2M;
(4) 100 mL HCl 0,1M;dan
(5) 100 mL CH3COOH 0,2 M
Pasangan senyawa yang menghasilkan larutan penyangga adalah ....
(1) dan (2)
(1) dan (3)
(1) dan (4)
(3) dan (4)
(4) dan (5)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan data uji pH beberapa larutan!
Larutan yang merupakan larutan penyangga adalah ....
P dan Q
Q dan R
R dan S
R dan T
S dan T
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