Ulangan Harian: Larutan Asam dan Basa

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
uarmyhope uarmyhope
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Ba(OH)2 termasuk senyawa basa menurut Arrhenius karena dalam air mampu ….
Menghasilkan proton
Menghasilkan ion H+
Menghasilkan ion OH-
Menangkap elektron bebas
Melepaskan elektron bebas
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Perhatikan reaksi asam dan basa menurut Bronsted-Lowry berikut.
1) SnCl4(l) + 2Cl-(aq) → NH4+(aq) + OH-(aq)
2) HBr(aq) + H2O(l) → Br-(aq) + H3O+(aq)
Sifat spesi yang tepat dalam reaksi tersebut adalah ….
SnCl4 bersifat asam menurut Lewis
2Cl- bersifat basa menurut Arrhenius
H2O bersifat basa menurut Lewis
HBr bersifat basa menurut Bronsted-Lowry
H3O+ bersifat basa konjugasi menurut Bronsted-Lowry
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Perhatikan reaksi asam dan basa berikut.
SO42-(aq) + HNO3(aq) → HSO4-(aq) + NO3-(aq)
Pernyataan yang tepat mengenai reaksi tersebut adalah ….
SO42- bersifat asam karena menerima proton
HNO3 bersifat basa karena mendonorkan proton
HSO4- merupakan basa konjugasi
NO3- merupakan asam konjugasi
HSO4- merupakan asam konjugasi
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Derajat ionisasi larutan CH3COOH yang memiliki pH = 3 adalah ….
1%
5%
10%
15%
20%
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Sebanyak 3,7 gram Ca(OH)2 dilarutkan dalam air hingga volume 1 liter, larutan tersebut memiliki harga pH sebesar ….
10 - log 2
10 + log 2
12 - log 5
12 + log 5
13
6.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Berapakah pH larutan yang diperoleh dengan mencampurkan 50 mL HNO3 0,2 M dan 50 mL KOH 0,4 M ….
2
5
7
10
13
7.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
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