
MId KIm XI
Authored by Ahmad Anas
Chemistry
11th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatikan data hasil pengujian larutan dengan kertas lakmus di samping!
Larutan yang mengandung konsentrasi ion OH- lebih besar daripada konsentrasi ion H+ ditunjukkan oleh huruf ....
Z dan V
Y dan U
U dan X
X dan Z
X dan Y
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Perhatikan persamaan reaksi berikut!
1) HCO3– + H2O ⇌ H2CO3 + OH–
2) (CH3)3N + BF3 ⇌ (CH3)3N BF3
3) HCl → H+ + Cl–
Urutan yang sesuai dengan konsep asam basa Arrhenius, Brosted-Lowry, dan Lewis berturut-turut adalah ....
1) – 3) – 2)
2) – 1) – 3)
2) – 3) – 1)
3) – 2) – 1)
3) – 1) – 2)
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Diantara bahan berikut yang dapat digunakan sebagai indikator alami asam basa adalah ....
Asam sitrat
Asam malat
Asam tanat
Asam butirat
Asam tartarat
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Kelompok asam berikut yang bervalensi dua adalah....
Asam nitrat, asam cuka, dan asam fosfat
Asam sulfit, asam karbonat, dan asam asetat
Asam sulfat, asam fosfat, dan asam nitrat
Asam nitrat, asam klorida, dan asam sulfat
Asam sulfat, asam sulfida, dan asam karbonat
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Diantara zat-zat berikut yang memiliki keasaman paling kuat adalah ....
HCN (Ka = 6,0 x 10-10)
CH3COOH (Ka = 1,8 x 10-5)
H2O (Ka = 1,8 x 10-16)
NH3 (Ka = 10-33)
HCl (Ka = 1,0 x 106)
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Asam asetil salisilat HC9H7O4 terdapat dalam Aspirin dengan Ka = 2,5 x 10-5. Bila 3 tablet Aspirin dilarutkan dalam 200 ml air (1 tablet mengandung 0,3 gram asam asetil salisilat). pH larutan yang terjadi adalah ....
2,5 – log 2,5
3 – log 2,5
3,5 – log 2,5
5 – log 2,5
6 – log 2,5
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Sebanyak 10 ml larutan barium hidroksida 0,005 M ditambah dengan 90 ml air. pH larutan tersebut berubah dari ....
2 menjadi 1
2 menjadi 3
12 menjadi 11
12 menjadi 13
Tidak berubah
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