
Quiz Asam dan Basa
Quiz
•
Chemistry
•
11th Grade
•
Hard
siswa unggul
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57 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senyawa yang larutannya dalam air tidak mengalami hidrolisis adalah ...
NH4Cl
K2SO4
CH3COOK
(NH4)2SO4
CH3COONH4
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Hujan asam menyebabkan penurunan pH air hujan berkisar antara 3 dan 4 SEBAB Gas SO2 di udara akan teroksidasi menjadi SO3 dan membentuk H2SO4 bila bercampur dengan air
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3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Menurut konsep Bronsted-Lowry, diantara ion-ion berikut yang bersifat amfoter adalah ...
HPO4 2–
CO3 2–
HS–
CH3COO–
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu obat baru yang diperoleh dari biji tanaman ternyata berupa basa organik lemah. Bila 0,100 M larutan obat tersebut dalam air mempunyai pH = 11, maka Kb obat tersebut adalah ...
10-2
10-3
10-4
10-5
10-6
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Dari suatu asam HA dengan Ka = 7,2 × 10-4 dapat dikatakan bahwa ...
derajat ionisasi HA dalam air rendah
H2O merupakan basa lebih kuat dari pada A
larutan NaA dalam air bersifat basa
HA adalah asam lebih kuat dari pada H3O+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika larutan AlCl3 direaksikan dengan larutan NaOH berlebih akan terbentuk ...
Al(OH)3 (s)
H2AlO2 (aq)
NaAlO4 (aq)
NaAlO2 (aq)
Na3AlO2 (aq)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada suatu suhu tertentu, larutan jenuh Mg(OH)2 mempunyai pH sama dengan 10. Hasil kali kelarutan Mg(OH)2 adalah ...
1 × 10–6
5 × 10–9
1 × 10–12
4 × 10–12
5 × 10–13
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