HIDROLISIS DAN PENYANGGA

Quiz
•
Chemistry
•
11th Grade
•
Medium
fita muftihana
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Diketahui beberapa larutan berikut:
1) Na2S
2) KCN
3) NH4Cl
4) Al2(SO4)3
5) Ba(NO3)2
Pasangan garam yang bersifat basa ditunjukkan oleh nomor….
1 dan 2
1 dan 3
2 dan 5
3 dan 4
4 dan 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Diantara larutan berikut yang dapat membentuk larutan garam terhidrolisis sebagian dan bersifat asam adalah....
20 mL CH3COOH 0,1 M + 20 mL KOH 0,2 M
20 mL H2SO4 0,1 M + 20 mL Ba(OH)2 0,1 M
20 mL Ca(OH)2 0,1 M + 20 mL HCl 0,1 M
20 mL NH4OH 0,1 M + 20 mL HCl 0,1 M
20 mL HCN 0,1 M + 20 mL NaOH 0,1 M
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Larutan garam di bawah ini yang akan mengubah warna kertas lakmus merah menjadi biru ….
NaBr
NH4Cl
CaCl2
CH3COONa
KI
4.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Jika dua larutan masing-masing mengandung 25 mL NaOH 0,2 M dan 25 mL CH3COOH 0,2 M dengan Ka CH3COOH = 10−5 dicampurkan, maka pH nya adalah...
3
4
5
9
10
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Berikut adalah beberapa larutan:
(1) KNO3
(2) NH4Cl
(3) Na2SO4
(4) Na2CO3
(5) CH3COOK
Pasangan garam yang bersifat netral ditunjukkan oleh nomor....
1 dan 3
2 dan 3
2 dan 4
3 dan 4
4 dan 5
6.
MULTIPLE CHOICE QUESTION
10 mins • 10 pts
Jika 200 mL NH4OH 0,8 M direaksikan dengan 200 mL larutan HCl 0,8 M, Kb NH4OH = 10−5, pH campuran setelah bereaksi adalah....
5 – log 2
5 – log 3
5 – log 4
5 – log 5
5 – log 6
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Perhatikan data berikut ini :
1. CH3COO- + H2O ==> CH3COOH + OH-
2. PO43- + 3H2O ==> H3PO4 + 3OH-
3. NH4+ + H2O ==> NH4OH + H+
4. CN- + H2O ==>HCN + OH-
5. Al3+ + 3H2O ==> Al(OH)3 + 3H+
Pasangan persamaan reaksi hidrolisis yang bersifat basa adalah . . .
3 dan 5
2 dan 3
2 dan 5
1 dan 2
4 dan 5
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