
UH kimia Asam dan Basa
Authored by Aulia Elphalizwani
Chemistry
2nd Grade
Used 83+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
Meningkatkan [H+] bila dimasukkan kedalam H2O
Menurunkan [H+] bila dimaasukkan kedalam H2O
. Meningkatkan [OH–] bila dimasukkan kedalam H2O
Menerima 1 H+ dari pasangan reaksinya
Memberi 1 H+ dari pasangan reaksinya
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Menurut konsep asam-basa Bronsted-Lowry dalam reaksi
NH3 + H2O → NH4+ + OH–
Dapat ditarik kesimpulan…..
Air adalah asam karena dapat menerima sebuah proton
Amonia (NH3 ) dan air adalah pasangan asam-basa konjugasi
NH3 dan NH4+ adalah pasangan asam-basa konjugat
NH3 adalah asam karena memberi sebuah proton
NH4+ dan OH– adalah basa kuat
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diantara kelompok asam berikut yang tergolong asam kuat adalah …….
Asam klorida, asam sulfat dan asam asetat
Asam sulfat ,asam nitrat ,dan asam klorida
Asan karbonat, asam asetat, dan asam fosfat
Asam sulfide, asam flourida, dan asam sianida
. Asam asetat ,asam klorida,dan asam fosfat
4.
MULTIPLE CHOICE QUESTION
2 mins • 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 10-18
0,2 X 10-10
0,2 X 10-8
2 X 10-10
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Larutan CH3COOH 0,01 M ,Harga Ka = 1,8 x 10-5, nilai kosentrasi ion H+ larutan tersebut adalah……
8 x 10-7
4,2 x 10-4
4,2 x 10-6
2,4 x 10-4
2,4 x 10-6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapa harga Ka asam asetat jika 0,1 mol CH3COOH dalam 1 liter laerutan mengandung 0,001 M ion H+?
. 1 x 10-7
1 x 10-6
1 x 105
1 x 10-5
1 x 106
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Terdapat 100 mL larutan NH4OH 0,1 M, Kb NH4OH = 10-5. Maka konsentrasi ion OH– adalah…..
10-3 M
10-1 M
10-2 M
10-6 M
10-5 M
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