Asam cuka (CH3COOH) termasuk senyawa asam. Menurut Arhenius, asam cuka mempunyai sifat asam karena …
PPHB KIMIA KELAS XI

Quiz
•
Chemistry
•
11th Grade
•
Medium
Yesi Rianti
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
memiliki atom hidrogen
dalam air melepaskan ion H+
dalam air melepaskan ion OH–
dapat menerima pasangan elektron
dapat memberi proton kepada molekul air
2.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Data percobaan pengenalan asam-basa sebagai berikut:
Yang termasuk larutan asam adalah …
I dan II
II dan III
II dan IV
III dan IV
III dan V
3.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Asam HA 0,1 M jika ditetesi indikator universal akan memberikan warna yang sama jika HCl 0,001 M ditetesi dengan indikator yang sama, maka harga Ka asam HA tersebut adalah…..
1 x 10-5
1 x 10-6
2 x 10-6
4 x 10-7
2 x 10-8
4.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Dari reaksi: H2CO3 + H2O → H3O+ + HCO3–
Yang merupakan pasangan asam basa konyugasi adalah …
H2CO3 dan H2O
H2CO3 dan H3O+
H2O dan HCO3–
H2CO3 dan HCO3–
H3O+ dan HCO3–
5.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Pada reaksi:
CO32- (aq) + H2O(l) ↔ HCO3-(aq) + OH-(aq)
H2CO3 (aq) + H2O(l) ↔ HCO3-(aq) + H3O+(aq)
Yang bertindak sebagai basa pada reaksi 1 dan asam pada reaksi 2 adalah….
H2CO3 dan CO32-
H2O dan OH-
CO32- dan H2CO3
H3O+ dan HCO3
CO32- dan HCO3-
6.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Pada reaksi: Ag+(aq) + 2NH3(aq) → Ag(NH3)2+(aq)
Menurut teori Lewis ion Ag+ berperan sebagai asam, sebab …
ion Ag+ menerima pasangan elektron dari NH3
ion Ag+ memberi pasangan elektron kepada NH3
ion Ag+ menerima OH– dari pelarut air
ion Ag+ memberi proton kepada NH3
ion Ag+ menerima proton dari NH3
7.
MULTIPLE CHOICE QUESTION
3 mins • 4 pts
Asam HX 0,1 M mengalami ionisasi 1%, harga tetapan ionisasi HX adalah ... .
2 x 10-5
1 x 10-5
1 x 10-4
1 x 10-2
2 x 10-5
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