Larutan Asam dan Basa
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan persamaan reaksi berikut
H2O + SO3 --> H2SO4
Berdasarkan teori Lewis, sifat H2O yang tepat dalam reaksi tersebut beserta penjelasannya yaitu
basa Lewis karena menerima proton
asam Lewis karena mendonorkan proton
basa Lewis karena menerima pasangan elektron bebas
asam Lewis karena menerima pasangan elektron bebas
basa Lewis karena mendonorkan pasangan elektron bebas
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dari data Ka terlampir, asam yang paling kuat adalah
HA
HB
HC
HD
HE
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui trayek perubahan warna beberapa indikator terlampir.
Larutan X bila diuji dengan :
*Indikator MO dan BTB berwarna kuning,
*Indikator MR berwarna jingga, dan
*Indikator PP tidak berwarna.
Maka harga pH larutan X tersebut adalah :
Di bawah 4,4
Di antara 4,4 dengan 6,0
Di antara 4,4 dengan 6,2
Di bawah 6,0 dengan 7,6
Di bawah 8,3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
pH dari :
50 mL larutan CH3COOH 0,1 M (Ka = 10-5) adalah....
3
5
7
9
11
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
pH dari :
50 mL larutan NH4OH 0,1 M (Kb = 10-5) adalah ....
3
5
7
9
11
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bila 50 mL larutan H2SO4 0,1 M ditambahkan dengan 50 mL air, maka pH larutan adalah ....
1
2 + log2
3 - log2
2 - log√2
3 + log√2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Basa terkonyugasi dari HCO3- adalah….
CO2
CO32-
H2CO3
H2O
H+
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