HIDROLISIS GARAM
Quiz
•
Chemistry
•
11th Grade
•
Medium
feni fitriyah
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1.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….
A.1 dan 2
B.1 dan 3
C.2 dan 5
D.3 dan 4
E.4 dan 5
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2.Berikut adalah hasilpengujian beberapa larutan garam dengan menggunakan lakmus. Percobaan Larutan Lakmus merah Lakmus biru
1 MgSO4 merah merah
2 CaF2 biru biru
3 NaCl merah biru
4 KCN biru biru
5 CH3COONa biru biru
Garam yang mengalami hidrolisis dan sesuai dengan uji lakmusnya adalah . . .
A. 1, 2 dan 3
B. 1, 3 dan 4
C. 1, 4 dan 5
D. 2, 3 dan 4
E. 3, 4 dan 5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.Sebanyak 250 mL larutan CH3COOH 0,2 M dicampur dengan 250 mL NaOH 0,2 M, membentuk suatu garam sesuai dengan reaksi :
CH3COOH(aq) + NaOH(aq) ==> CH3COONa(aq) + H2O(l)
(Ka = 1 10-9). pH campuran tersebut adalah . . . .
A. 3
B. 5
C. 9
D. 10
E. 11
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.Diantara larutan berikut yang dapat membentuk larutan garam terhidrolisis sebagaian dan bersifat asam adalah....
A. 20 mL CH3COOH 0,1 M + 20 mL KOH 0,2 M
B. 20 mL H2SO4 0,1 M + 20 mL Ba(OH)2 0,1 M
C. 20 mL Ca(OH)2 0,1 M + 20 mL HCl 0,1 M
D. 20 mL NH4OH 0,1 M + 20 mL HCl 0,1 M
E. 20 mL HCN 0,1 M + 20 mL NaOH 0,1 M
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5.Diketahui beberapa senyawa berikut :
1. CaF2
2. Fe(NO3)2
3. K3PO4
4. Al2S3
5. ZnSO4
Berdasarkan data diatas, garam yang memiliki pH < 7 adalah . . .
A. 1 dan 2
B. 1 dan 3
C. 2 dan 5
D. 3 dan 4
E. 4 dan 5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.Sebanyak p gram CH3COONa dilarutkan dalam satu liter air menurut persamaan reaksi :
CH3COO- + H2O ==> CH3COOH + OH-
Jika Ka CH3COOH = 1 x10^-5 dan pH larutan yang terbentuk sebesar 9, maka banyaknya p garam yang harus dilarutkan adalah . . . .g (Ar C = 12, O= 16, H = 1 dan Na= 23)
A. 0.82
B. 1.64
C. 8.20
D. 6.4
E. 18.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
- 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 . . .
A. 1 dan 2
B. 2 dan 3
C. 2 dan 5
D. 3 dan 5
E. 4 dan 5
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