
KONSEP ASAM BASA
Authored by Ahmad Fauzi
Chemistry
2nd - 11th Grade
Used 148+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reaksi asam basa berikut ini yang tidak dapat dijelaskan dengan teori Arrhenius adalah ….
NaOH → Na+ + OH–
Ca(OH)2 → Ca2+ + 2OH–
H3PO4 → 3H+ + PO43
HCl + KOH → KCl + H2O
NH4+ → H+ + NH3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui rekasi berikut :
HNO3 + CH3COOH ↔ CH3COOH2+ + NO3–
Pasangan yang merupakan asam basa konjugasi adalah
CH3COOH dan CH3COOH2+
HNO3 dan CH3COOH2+
CH3COOH dan HNO3
NO3–dan CH3COOH2+
CH3COOH dan NO3–
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ikatan antara boron triflurida dengan amonia merupakan ikatan kovalen. Boron trifluorida sebagai asam karena menerima pasangan elektron. Teori tersebut dikemukakan oleh ….
Arrehnius
Bronsted Lowry
Lewis
Dalton
JJ. Thomspn
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cara paling tepat untuk membuktikan bahwa larutan natrium hidroksida bersifat basa adalah …
Mencicipinya, apabila terasa pahit berarti basa
Mencampur dengan cuka, apabila terbentuk gelembung berarti basa
Menguji dengan kertas lakmus merah, jika berubah warna jadi biru berarti basa
Mencampur dengan air jeruk nipis, apabila terbentuk garam dapur berarti basa
Menguji dengan kertas lakmus biru, apabila berubah jadi warna merah berarti basa
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Massa kalsium hidroksida yang harus dilarutkan ke dalam air hingga volumenya 500 mL agar diperoleh larutan dengan pH = 12 + log 5 adalah …. gram
925
463
35
25
5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 0.49 gram H2SO4 dilarutkan dalam 1 liter aquades. Jika Ar H = 1, Ar S = 32 dan O = 16 maka pH larutan yang terbentuk adalah ….
2 + log 1
3 – log 5
3 + log 5
11 + log 5
12 + log 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Harga pH larutan yang terbesar terdapat dalam larutan. . . .(Ar H = 1, Na = 23. O = 16 dan Ca = 40)
1 mol KOH dalam 1 liter larutan
01 mol KOH dalam 1 liter larutan
4 gram NaOH dalam 1 liter larutan
1 mol Sr(OH)2 dalam 2 liter larutan
74 gram Ca(OH)2 dalam 0.5 liter larutan
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