Evaluasi Kimia Semester IV

Quiz
•
Chemistry
•
Professional Development
•
Hard
nurrhikk hikmahwati
Used 6+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Asam lemah berikut yang termasuk asam triprotik adalah....
HF
HCN
H2CO3
H2C2O4
H3PO4
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
0,15
0,20
0,30
0,45
1,60
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Asam asetat 0,1 M mempunyai derajat ionisasi 1%. Harga Ka asam asetat adalah....
10-6
2 x 10-6
10-5
2 x 10-5
10-4
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Larutan basa lemah XOH 0,01 M dalam air terionisasi 1 %. Harga pH larutan tersebut adalah....
8
9
10
11
12
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Larutan H2SO4 0,1 Mmempunyai pH sebesar....
1-log 2
1+log 1
1+log 2
2 - log 2
2 + log 1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Beberapa zat dapat dipakai sebagai indikator. Syarat utama zat dapat digunakan sebagai indikator adalah....
mudah dipakai
murah dan mudah didapat
mudah disimpan dan tahan lama
sukar teroksidasi oleh oksigen
memberi warna yang berbeda dalam suasana asam dan basa
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui persamaan reaksi sebagai berikut:
HClO4 + CH3COOH ↔ClO4- + CH3COOH2+
Pernyataan yang benar mengenai reaksi tersebut adalah....
HClO4 adalah basa menurut Arrhenius
CH3COOH2+ adalah basa menurut Arrhenius
HClO4 adalah asam menurut Bronsted Lowry
ClO4- adalah asam menurut Bronsted Lowry
CH3COOH adalah asam menurut Bronsted-Lowry
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