Asam Basa
Quiz
•
Chemistry
•
University
•
Hard
Hanhan Dianhar
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara pernyataan berikut yang tepat untuk
mendefinisikan basa menurut Arrhenius
adalah ….
spesi yang mendonorkan proton
spesi yang mendonorkan elektron
spesi yang menghasilkan ion H+
spesi yang menghasilkan ion OH-
spesi yang merupakan akseptor elektron
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika dicelupi kertas lakmus , larutan cuka memberikan warna merah. Indikator ini akan berwarna biru ketika berada dalam ….
larutan gula
larutan sabun
larutan garam dapur
air jeruk
air teh
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dari reaksi-reaksi asam basa menurut Brønsted-
Lowry di bawah ini:
1. NH2- + H2O → NH3 + OH-
2. H2PO4 + H2O → HPO4-2 + H3O+
3. HS- + H2O → H2S + OH-
H2O yang bersifat asam terdapat pada reaksi ….
1
2
3
1 dan 2
1 dan 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pelarutan NH3 terjadi kesetimbangan sebagai berikut.
NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH–(aq)
Yang merupakan pasangan asam-basa konjugasi adalah ….
NH3 dan H2O
NH4+ dan OH–
NH3 dan OH–
H2O dan NH4+
H2O dan OH–
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara kelompok asam berikut yang bervalensi
dua adalah ….
asam nitrat, asam cuka, asam fosfat
asam sulfat, asam sulfida, asam karbonat
asam sulfat, asam fosfat, asam nitrat
asam nitrat, asam klorida, asam sulfat
asam sulfit, asam karbonat, asam asetat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu indikator memberikan warna merah jika diteteskan pada larutan NaOH. Larutan di bawah ini akan menghasilkan warna yang sama jika diteteskan indikator yang sejenis, kecuali ….
Larutan sabun
Larutan soda kue
Larutan amoniak
Larutan cuka
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada reaksi asam basa berikut:
(1) HCO3-+ H2O → H2CO3 + OH-
(2) HS- + H2O → H3O+ + S2-
(3) HPO42- + H3O+ → H2PO4- + H2O
H2O bertindak sebagai basa menurut teori asam basa Brønsted-Lowry terdapat pada reaksi ….
1, 2, dan 3
1, 2
1, 3
2, 3
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