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 :
Larutan Asam dan Basa
Quiz
•
Chemistry
•
10th Grade
•
Hard
Ifa Nouvells
Used 73+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 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 antara 6,2 dengan 7,6
Di bawah 8,3
2.
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
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
pH dari :
50 mL larutan NH4OH 0,1 M (Kb = 10-5) adalah ....
3
5
7
9
11
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Manakah diantara pernyataan berikut ini yang kurang tepat mengenai zat yang bersifat asam?
Mempunyai rasa masam
Elektrolit kuat
Korosif
Dapat menetralkan basa
Memiliki pH < 7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Basa terkonjugasi dari HCO3- adalah….
CO2
CO32-
H2CO3
H2O
H+
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pasangan asam - basa konjugasi pada reaksi
berikut : HS- + H2O ↔ H3O+ + S2-
adalah….
HS- dan H2O
HS- dan H3O+
H2O dan S2-
H3O+ dan S2-
HS- dan S2-
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pada reaksi : HCl + H2O ↔ H3O+ + Cl-, yang
menunjukkan asam Bronsted-Lowry
adalah….
H2O dan Cl-
H2O dan HCl
HCl dan H3O+
HCl dan Cl-
H2O dan H3O+
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