Asam Basa

Asam Basa

12th Grade

15 Qs

quiz-placeholder

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Asam Basa

Asam Basa

Assessment

Quiz

Chemistry

12th Grade

Medium

Created by

Titik Handaru

Used 10+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Teori asam basa berdasarkan Arrhenius :

Asam donor proton H+, Basa akseptor proton H+

Asam menghasilkan ion H+, Basa menghasilkan ion oH‐

Transfer pasangan elektron

Asam akseptor pasangan elektron bebas, Basa donor pasangan elektron bebas

serah terima proton

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui reaksi:

H2PO4- (aq) + H2O(l) --> HPO42- (aq) + H3O+(aq)

Yang merupakan pasangan asam basa konjugasi adalah ....

H2PO4 dan HPO42–

HPO42– dan H3O+

H2PO4 dan H3O+

. HPO4 dan H2O

. HPO4–1 dan H2O

3.

MULTIPLE CHOICE QUESTION

1 min • 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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Konsentrasi ion hidrogen dalam larutan yang pH-nya = 3 – log 2 adalah … .

2 × 10–2 M

3 × 10–3 M

2 × 10–3M

0,0001 M

0,003 M

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui reaksi kimia H2O + NH3 –> NH4+ + OH-. Pasangan yang merupakan asam-basa konjugasi adalah …

H2O dan OH-

H2O dan NH3

NH4 dan OH-

NH4 dan H2O

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

pH larutan kalsium hidroksida, Ca(OH)2 0,05 M adalah . . . .

1,3

1,5

12,5

12,7

13

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

pH larutan kalium hidroksida 0,5 M adalah . . . . (log 5 = 0,7)

0,3

0,5

13,3

13,5

13,7

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