soal usbn kimia sma

Quiz
•
Chemistry
•
12th Grade
•
Hard
Elisa Yus Farida
Used 136+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dari gambar di atas, yang laju reaksinya hanya dipengaruhi oleh suhu dan luas permukaan adalah ….
1 menjadi 2
1 menjadi 3
2 menjadi 3
3 menjadi 4
4 menjadi 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebanyak 50 ml CH3COOH 0,2 M,
Ka = 10-5 dicampur dengan 50 ml larutan NaOH 0,1 M. Hitunglah pH larutan tersebut....
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nama senyawa di atas adalah : ....
Heksana
Heksena
2,2 dimetil butana
3,3 dimetil 1 butena
3,3 dimetil 1 butuna
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika pH larutan 0,01 M suatu asam lemah HA adalah 3,5 maka tetapan asam (Ka ) adalah...
1 x 10-3
2 x 10-3
1 x 10-5
1 x 10-7
1 x 10-8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Suatu larutan yang mengandung 0,1 mol asam asetat (Ka = 10-5) dan 0,01 mol natrium asetat mempunyai pH sebesar...
3
4
5
6
7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Pasangan asam-basa konjugasi dari reaksi :
CH3COOH + HNO2 → CH3COOH2+ + NO2- adalah…
CH3COOH dan HNO2
CH3COOH dan NO2-
CH3COOH2+ dan NO2-
CH3COOH2+ dan HNO2
CH3COOH2+ dan CH3COOH
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hitunglah pH larutan 100 mL 0,01 M CH3COONa. Ka = 10-5 adalah....
5
5,5
7
8
8,5
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