Penilaian Harian Hidrolisis Garam

Quiz
•
Chemistry
•
11th Grade
•
Hard
Mentari A
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Garam berikut yang jika dilarutkan dalam air tidak mengalami hidrolisis sebagian adalah ...
K2CO3
(NH4)2S
Al2(SO4)3
NaHCO3
CH3COONa
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Garam berikut didalam air akan mengalami hidrolisis , kecuali ….
NH4Cl
NaCN
NaCl
CH3COONa
NH4CN
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dari beberapa senyawa berikut yang mengubah lakmus merah menjadi biru adalah ...
NaCl
Al2SO4
CaF2
CH3COONH4
NaNO3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Berikut tabel beberapa garam yang apabila dilarutkan dalam air akan terhidrolisis total.
Berdasarkan data tersebut, garam yang menghasilkan pH = 7 adalah ....
CH3COONH4
NH4F
HCOONH4
NH4CN
N2H4F
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan persamaan reaksi berikut!
1.CH3COO− + H2O ⇌ CH3COOH + OH−
2.CN− + H2O ⇌ HCN + OH−
3.Al3+ + 3H2O ⇌ Al(OH)3 + 3H+
4.NH4+ + H2O ⇌ NH4OH + H+
5.S2− + 2H2O ⇌ H2S + 2OH−
Pasangan reaksi hidrolisis untuk garam yang bersifat asam adalah ….
1 dan 2
1 dan 3
2 dan 3
4 dan 5
3 dan 4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Garam ammonium sulfat, (NH4)2SO4 jika dilarutkan ke dalam air akan bersifat asam. Reaksi hidrolisis yang menunjukkan sifat garam tersebut adalah ....
H+ + SO42— → H2SO4
NH4+ + OH— → NH4OH
NH4+ + H2O → NH4OH + H+
SO42— + H2O → H2SO4 + OH—
NH4OH + H2SO4 → (NH4)2SO4 + H2O
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Bila Ka = 10–5, maka besarnya pH larutan Ca(CH3COO)2 01,6 M adalah ….
9 + log 4
9
8 + log 4
5
5 - log 4
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