LATIHAN SOAL UTBK KIMIA
Quiz
•
Chemistry
•
12th Grade
•
Medium
Purwo Rahadityo
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Logam transisi dengan simbol M, membentuk ion kompleks dengan rumus [M(CN)6]4 - . Logam yang sama dalam tingkat oksidasi yang sama, membentuk ion kompleks dengan rumus [M(NH3)4]x. Berapakah nilai x?
0
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tekanan uap air pada 250C adalah 25,00 torr.
Berapakah tekanan uap suatu larutan pada 250 C yang dibuat dengan melarutkan 0,50 mol sukrosa dalam 12,0 mol air?
4,20 torr
6,00 torr
18,00 torr
24,00 torr
26,04 torr
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika ke dalam campuran 500 mL larutan CH3COOH 0,1 M dan larutan CH3COONa 0,1 M ditambahkan 5 mL HCl 0,1 M (Ka CH3COOH = 1; 8 X 10 5) dan volume HCl yang ditambahkan diabaikan, maka ....
pH berubah dari 5 - log 1,8 menjadi 5 - log 1,84
pH tidak berubah
pH berubah dari 5 - log 1,8 menjadi 5 -log 1,76
pH turun dari 5 menjadi 4,8
pH naik dari 5 menjadi 5 + log 1,76
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Zat A dapat bereaksi dengan zat B menjadi zat C, menurut persamaan reaksi:
A + 2B ==> C
Berdasarkan data percobaan pada tabel, persamaan laju reaksinya adalah ....
V = k [A] [B]1/2
V = k [A] [B]
V = k [A] [B]2
V = k [A]2 [B]
V = k [A]2 [B]2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tekanan jenuh uap air pada suhu 25 C adalah 23,76 mmHg. Jika kedalam 90 gr air (Mr=18) dilarutkan 18 gr glukosa (Mr=180), maka penurunan tekanan uap larutan adalah ....
23,28 mmHg
2,38 mmHg
0,47 mmHg
0,10 mmHg
0,02 mmHg
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
reaksi mengeluarkan kalor sebesar 1665 kJ
reaksi menerima panas sebesar 1665 kJ
kalor yang dilepaskan sebesar 3330 kJ
kalor yang diserap sebesar 3330 kJ
reaksi menerima kalor sebesar 333 Kj
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Untuk mengendapkan 3,175 g Cu dari larutan CuSO4 ( Ar Cu= 63,5; S= 32; O=16 ) dengan cara elektrolisis diperlukan muatan listrik sebesar … .
0,05 faraday
0,10 faraday
0,20 faraday
1,00 faraday
2,00 faraday
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