Evaluasi Akhir Materi Hidrolisis Garam
Quiz
•
Chemistry
•
11th Grade
•
Hard
Yushinta Apriliawati
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika diketahui harga Ka CH3COOH = 1,8 x 10-⁵, maka tetapan hidrolisis CH3COONa
adalah
5,5 x 10-⁴
5,5 x 10-¹⁰
5,5 x 10-⁶
1,8 x 10-⁵
10-¹⁴
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Garam dari asam lemah dan basa lemah, di mana sifat asam atau basanya bergantung pada besarnya Ka/Kb nya. Manakah yang tidak termasuk dari ketentuan kb nya?
Ka > Kb, maka garam bersifat asam
Ka > Kb, maka garam bersifat basa
Ka > Kb, maka garam bersifat netral
Ka = Kb, maka garam bersifat netral
Ka < Kb, maka garam bersifat netral
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Garam berikut yang mengalami hidrolisis total adalah
NH4Br
K2CO3
BaCO3
AlCl3
Al2(CO3)3
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
1. Menghasilkan asam dan basa yang membentuk garam
2. Garam tidak terhidrolisis jika tidak ada kation maupun anion yang bereaksi
3. Garam tidak terhidrolisis jika kation atau anion bereaksi
4. Kation dan anion dari asam-basa lemah tidak dapat terhidrolisis karena terionisasi sempurna
Pilihlah jawaban yang tepat tentang sifat dan karakteristik dari hidrolisis garam
1 dan 2
1 dan 3
1 dan 4
2 dan 3
3 dan 4
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika 5,35 g NH4Cl (Mr = 53,5) dilarutkan dalam air hingga volumenya menjadi 250 mL, akan diperoleh larutan dengan pH . . . . (Kb NH3 = 1x 10-5)
5 – log 2
9 - log 4
5
5 + log 4
9 + log 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
pH air akan lebih besar dari 7, apabila dilarutkan garam …. ke dalam air
NaBr
NaCl
CH3COONa
NH4CN
NH4Cl
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Larutan senyawa garam yang mengalami hidrolisis parsial adalah….
NaNO3
CH3COONH4
NH4CN
CH3COOK
KBr
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