
KIMIA
Authored by Yanti Fadillah
Chemistry, Other
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Asam cuka (CH3COOH) termasuk senyawa asam. Menurut Arhenius, asam cuka mempunyai sifat asam karena …
memiliki atom hidrogen
dalam air melepaskan ion H+
dalam air melepaskan ion OH–
dapat menerima pasangan elektron
dapat memberi proton kepada molekul ai
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
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
2 mins • 1 pt
Untuk konsentrasi yang sama di antara senyawa asam berikut yang sifat asamnya paling kuat adalah …
H2SO4
HCl
H2S
CH3COOH
HF
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui reaksi:
H2S + H2O H3O+ + HS–
HS– + H2O H3O+ + S2–
Spesi yang bersifat amfiprotik adalah …
H2S
H2O
H3O+
HS–
S2–
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dari reaksi:
H2CO3 + H2O H3O+ + HCO3–
Yang merupakan pasangan asam basa konyugasi adalah …
H2CO3 dan H2O
H2CO3 dan H3O
H2CO3 dan HCO3–
H2O dan HCO3–
H3O+ dan HCO3–
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada reaksi:
Ag+(aq) + 2NH3(aq) Ag(NH3)2+(aq)
Menurut teori Lewis ion Ag+ berperan sebagai asam, sebab …
ion Ag+ menerima proton dari NH3
ion Ag+ menerima pasangan elektron dari NH3
ion Ag+ memberi proton kepada NH3
ion Ag+ memberi pasangan elektron kepada NH3
ion Ag+ menerima OH– dari pelarut air
7.
MULTIPLE CHOICE QUESTION
2 mins • 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
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