TRY OUT PTS 2 11 SMA GENZA - KIMIA

TRY OUT PTS 2 11 SMA GENZA - KIMIA

11th Grade

15 Qs

quiz-placeholder

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TRY OUT PTS 2 11 SMA GENZA - KIMIA

TRY OUT PTS 2 11 SMA GENZA - KIMIA

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

Rlangga Ibnu Sina

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

HCN

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pada reaksi asam basa berikut:

(1) HCO3-+ H2O → H2CO3 + OH-

(2) HS- + H2O → H3O+ + S2-

(3) HPO42- + H3O+ → H2PO4- + H2O

H2O bertindak sebagai basa menurut teori asam basa Bronsted-Lowry terdapat pada reaksi ….

1, 2, dan 3

1, 2

1, 3

2, 3

hanya no 1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1

2

3

4

5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Kurva tersebut menggambarkan perubahan pH pada titrasi...

asam lemah ditetesi basa kuat

asam kuat ditetesi basa kuat

asam lemah ditetesi basa lemah

asam kuat ditetesi basa lemah

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ketika asam kuat dititrasi oleh basa lemah, berapakah pH titik ekuivalennya? Mengapa?

7, karena terhidrolisis sempurna

> 7 , karena basa

< 7 karena terjadi reaksi hidrolisis menghasilkan ion H+ yang berlebih

< 7 karena terjadi reaksi hidrolisis menghasilkan ion OH- yang berlebih

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Besarnya pH larutan 0,74 gram Ca(OH)2 (Ar Ca = 40, O = 16, dan H = 1) dalam

500 mL larutan adalah … .

2 – log 4

2 + log 4

11 + log 4

12 – log 4

12 + log 4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Larutan CH3COOH 0,1 M ( Ka = 10-5) memiliki pH sebesar...

1

2

3

5

6

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