
UH ASAM BASA
Authored by Asri Nurul
Chemistry
11th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan persamaan reaksi berikut!
H2O + HSO4- ⇌ H3O+ + SO42-
H2O + HSO4- ⇌ OH+ + H2SO4
Berdasarkan persamaan reaksi di atas, sifat HSO4- adalah ….
Basa
Asam
Netral
Garam
Amfoter
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan persamaan reaksi berikut!
H2O + HSO4- ⇌ H3O+ + SO42-
H2O + HSO4- ⇌ OH+ + H2SO4
Berdasarkan persamaan reaksi di atas, pasangan asam konjugasi dari HSO4- adalah ….
OH-
H2O
H3O+
SO42-
H2SO4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berdasarkan teori asam basa Lewis, asam merupakan zat yang mendonorkan proton dan basa merupakan zat yang menerima proton. Jika dalam suatu reaksi ammonia (NH3) berperan sebagai asam, maka pasangan basa konjugasinya adalah ….
NH2-
NH4+
H+
OH-
NH4OH
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Suatu larutan diuji dengan indikator metil jingga menghasilkan warna kuning, dengan indikator metil merah menghasilkan warna merah, dengan brom timol biru menghasilkan warna kuning. Berdasarkan hasil uji tersebut, perkiraan pH larutan uji adalah ….
4,0 - 4,2
≥4,0
≤4,2
≤6,0
≥7,6
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Jika larutan NaCl 1M diuji dengan larutan indikator di atas, warna larutan yang dihasilkan adalah ….
Tak berwarna pada phenolphthalein
Warna kuning pada metil jingga dan metil merah
Warna kuning pada metil jingga dan merah pada metil merah
Warna merah pada metil jingga dan metil merah
Warna biru pada brom timol biru
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui suatu botol berisi 100mL H2SO4 0,05M. Konsentrasi H+ dalam larutan tersebut adalah … M.
5.10-1
5.10-2
5.10-3
1.10-1
1.10-2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui suatu botol berisi 100mL N2H4 0,04M dengan Kb 1.10-6. Konsentrasi OH- dalam larutan tersebut adalah … M.
2.10-4
4.10-2
4.10-4
2.10-2
2.10-3
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