HIDROLISIS CODE BLUE

HIDROLISIS CODE BLUE

11th Grade

15 Qs

quiz-placeholder

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HIDROLISIS CODE BLUE

HIDROLISIS CODE BLUE

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

Suchory Putri

Used 1+ times

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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

Media Image

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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