
Ujian KD Kelas XI

Quiz
•
Chemistry
•
11th Grade
•
Medium
wilda azlan
Used 5+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Menurut teori asam-basa Bronsted-Lowry, asam didefinisikan sebagai zat yang . . . .
Meningkatkan [H+] bila dimasukkan kedalam H2O
Menurunkan [H+] bila dimaasukkan kedalam H2O
Meningkatkan [OH-] bila dimasukkan kedalam H2O
Menerima 1 H+ dari pasangan reaksinya
Memberi 1 H+ dari pasangan reaksinya
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kertas lakmus biru akan berubah menjadi merah, bila dimasukkan ke dalam larutan…
Kalium hidroksida
Natrium klorida
Barium sulfat
Asam klorida
Natrium nitrat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan basa lemah NH4OH 0,1 M,dan Kb = 10-5 , nilai pH larutan tersebut adalah… . .
11
3
9
14
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika 5,35 g NH4Cl ( Mr = 53,5 ) dilarutkan dalam air hingga volumenya menjadi 250 mL, akan diperoleh larutan dengan pH . . . (Kb NH3 = 1x 10-5)
5 - log 2
9 - log 4
5
5 + log 4
9 - log 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pH dari larutan yang merupakan campuran dari 100mL CH3COOH 0,2 M dan 100 ml NaOH 0,2 M , jika Ka CH3COOH = 10-5 adalah ….
9
8
7
10
11
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Larutan KCN dalam air akan bersifat basa, reaksi yang menunjukkan terjadinya sifat basa tersebut adalah…
K+ + OH- → KOH
CN-+ H+ → HCN
K+ + H2O → KOH + H+
CN-+ KOH → KCN + OH-
CN-+ H2O → HCN + OH-
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diantara garam-garam berikut yang mengalami hidrolisis total dalam air adalah…
NH4Cl
NH4CN
KCN
CuSO4
MgSO4
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