PENGAYAAN HIDROLISIS GARAM PERTEMUAN 1
Quiz
•
Chemistry
•
11th Grade
•
Hard
INDAH LESTARI
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Persamaan hidrolisis suatu senyawa dinyatakan sebagai berikut:
CN- (aq) + H2O (aq) → HCN(aq) + OH-(aq)
Rumus garam yang mengalami hidrolisis seperti persamaan hidrolisis di atas adalah ....
NH4CN
CH3CN
A. Mg(CN)2
NaCN
Fe(CN)5
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Jika zat-zat di bawah ini dibuat larutan (dalam air) dengan konsentrasi 1 molar, maka larutan yang mempunyai pH paling tinggi adalah ....
NaHSO4
NaCl
HCl
NH4Cl
CH3COONa
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Garam-garam di bawah ini yang mengalami hidrolisis total adalah ....
NaNO3 dan SrCl2
NH4NO3 dan Ca(NO2)2
Fe(CN)2 dan NH4F
(NH4)2S dan CH3COOK
CH3COONa dan AlF3
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Terdapat larutan NH4Cl 0,01 M sebanyak 4 liter. Jika Kh = 10-9, maka pH larutan tersebut adalah ....
5
5,5
8,5
9
10
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Terdapat 5 liter larutan (CH3COO)2Ca dengan konsentrasi 0,004 M. Jika Ka CH3COOH = 2 x 10-5, maka pH larutan tersebut adalah ....
5 - log 2
6 - log 2
9 + log 2
8 + log 2
9
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Jika Ka CH3COOH = 10-5, maka pH larutan 100 mL CH3COONa 0,9 M adalah ....
5
9
6 - log 2
9 + log 3
12 + log 6
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Jika diketahui harga Kb NH4OH = 10-9 dan Ka HCN = 10-5, maka larutan 1 liter NH4CN 0,01 M mempunyai pH sebesar ….
4
5
6
8
9
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