
Kekuatan Asam dan Derajat Ionisasi
Authored by MARIA ULFA
Chemistry
KG
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Perhatikan representasi mikroskopis tiga jenis larutan asam dengan konsentrasi yang sama berikut ini. Urutan kekuatan asam dari ketiga larutan asam tersebut adalah..
H2Y > HZ > HX
HX > HZ > H2Y
HX < HZ < H2Y
HX < H2Y < HZ
H2Y < HX < HZ
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Pernyataan yang benar tentang derajat ionisasi (𝛼) berikut ini adalah..
Asam kuat memiliki 𝛼 = 1
Basa kuat memiliki 𝛼 = 0
Asam lemah memiliki 𝛼 = 1
Basa lemah memiliki 𝛼 = 0
Dalam larutan, asam kuat tidak terionisasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jika Ka CH3COOH = 1,8 x 10-5; pH larutan CH3COOH 0,02 M adalah..
3 – log 3
4 – log 6
4 + log 6
5 – log 1,2
5 + log 1,2
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Berikut ini data nilai Ka dari beberapa asam
Ka CH3COOH = 1 x 10-5
Ka HNO2 = 4 x 10-4
Ka HF = 5 x 10-4
Urutan keasaman mulai dari yang paling kuat ke yang paling lemah adalah..
HF > HNO3 > CH3COOH
HF > CH3COOH > HNO3
HNO2 > HF > CH3COOH
HNO2 > CH3COOH > HF
CH3COOH > HNO2 < HF
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Suatu basa lemah LOH mempunyai konsentrasi 0,01 M dan Kb 10-6. Derajat ionisasi basa tersebut adalah..
1%
10%
20%
40%
50%
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