HIDROLISIS CODE BLUE

Quiz
•
Chemistry
•
11th Grade
•
Hard
Suchory Putri
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No. 1
Perhatikan beberapa senyawa garam berikut.
I. Ba(CN)2 IV. K2SO4
II. Ca(ClO4)2 V. Rb2CO3
III. NaI
Garam yang dapat memerahkan kertas lakmus adalah ....
I dan II
II dan IV
I dan III
IV dan V
I dan V
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
No.2
Perhatikan ilustrasi tabel di samping ini!
Pasangan yang tepat antara garam, jenis hidrolisis, dan sifat ragamnya adalah ....
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No.3
Harga pH dari 100 mL larutan Al(CN)3 0,1 M adalah ..... (Ka HCN = 2 x 10-8 ; Kb Al(OH)3 = 8 x 10-6)
6 - log 2
8 - log 1/2
8 + log 2
6 + log 1/2
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No. 4
Sebanyak 765 mg garam (CH3COO)2Ba dilarutkan dalam 3000 mL air. Jika Ka CH3COOH = 2 x 10-4 dan massa molar garam = 255 g/mol, pH larutan yang terbentuk adalah ....
6,5
13
8,5
5
9
5.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
No. 5
Garam berilium bikarbonat jika dilarutkan dalam air akan mengalami reaksi hidrolisis yang ditunjukkan dengan reaksi sebagai berikut ....
Be2+(aq) + OH- (aq) ⇄ Be(OH)2(aq)
HCO3- (aq) + H2O(l) ⇄ H2CO3(aq) + OH- (aq)
Be2+(aq) + H2O (aq) ⇄ BeH2(aq) + OH- (aq)
Be2+(aq) + H2O (aq) ⇄ Be(OH)2(aq) + H+(aq)
CO32- (aq) + 2H2O(l) ⇄ H2CO3(aq) + 2OH-(aq)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No. 6
Sebanyak 100 mL larutan H2SO4 0,6 M direaksikan dengan 100 mL larutan Al(OH)3 0,4 M. Jika Kb Al(OH)3 = 2 x 10-5, pH larutan yang terbentuk adalah ....
9
9 + log √2
5 – log √2
5 - log 1
5 - log 4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No.7
Sebanyak 2000 mL KClO2, Ka HClO2 = 10-4 mempunyai pH = 8, massa KClO2 dalam larutan tersebut adalah ....
(Massa molar K= 39 g/mol; Cl= 35,5 g/mol; O= 16 g/mol)
53,25 gram
532,5 mg
21,3 gram
213 gram
21300 gram
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