
Penilaian Akhir Semester ganjil KIMIA kelas XII
Quiz
•
Chemistry
•
12th Grade
•
Hard
DORIS YURISKA
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40 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
Memberikan ion H+ bila dimasukkan kedalam H2O
Memberi pasangan ion H+ dari pasangan reaksinya
Menerima ion H+ dari pasangan reaksinya
Meningkatkan [OH–] bila dimasukkan kedalam H2O
Mendonorkan [OH–] bila dimasukkan kedalam H2O
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Apa itu "ASAM" menurut Arrhenius ?
Memberikan proton Dalam Air
Pendonor Ion OH-
Acceptor Ion H+
Acceptor Pasangan Elektron
menerima Ion OH-
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Larutan yang mempunyai pH lebih besar dari 7 adalah . . . .
asam
basa
garam
ion
senyawa
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui reaksi:
H2SO4 (aq) + HCOOH(aq)--> HSO4- (aq) + HCOOH2+(aq)
Yang merupakan pasangan asam basa konjugasi adalah ...
H2SO4 dan HCOOH
H2SO4 dan HSO4-
H2SO4 dan HCOOH2+
HCOOH dan HSO4-
HSO4- dan HCOOH2+
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
HCl atau asam lambung termasuk senyawa asam. Menurut Arrhenius, asam klorida memiliki sifat asam karena ....
dalam air melepaskan ion hidrogen
dalam air melepaskan ion hidroksida
dapat menerima pasangan elektron
dapat memberi proton kepada molekul air
memiliki atom hidrogen
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan pertanyaan-pertanyaan berikut!
(1) Menurut Arrhenius, asam adalah zat yang melepaskan ion H+.
(2) Menurut Bronsted-Lowry, basa adalah spesi yang menerima proton.
(3) Menurut Lewis, asam adalah spesi yang dapat membentuk ikatan kovalen dengan menerima pasangan elektron bebas.
(4) Asam dan basa akan bereaksi membentuk sabun.
Pernyataan yang benar mengenai asam dan basa ditunjukkan oleh nomor…
(1), (2), dan (3)
(1)
(2) dan (4)
(4)
(1) dan (3)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tentukan harga pH larutan H2SO4 0,1 M !
1 - log 1
1 - log 2
2 - log 1
2 - log 2
3 - log 1
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