
Remedial Penilaian Akhir Semester Ganjil Kimia

Quiz
•
Chemistry
•
12th Grade
•
Medium
Claudia Oktaviani
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Sebanyak 5,85 gram NaCl (Mr = 58,5) yang dilarutkan dalam air hingga volumenya 200 mL. Tekanan osmotik larutan tersebut pada suhu 27oC adalah … (R = 0,082 L.atm/mol.K)
2,46 atm
24,6 atm
4,92 atm
9,84 atm
19,68 atm
2.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Besar kenaikan titik beku larutan yang dihasilkan jika 18 gram glukosa dilarutkan kedalam 500 gram air adalah ... (Kf = 1,86oC, Mr = 180)
0,186oC
0,372oC
0,558oC
0,744oC
0,93oC
3.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui:
Ni2+ + 2e- → Ni E0 = -0,25 V
Zn2+ + 2e- → Zn E0 = -0,76 V
Diagram (notasi) sel volta yang menggunakan pasangan elektrode di atas adalah …
Zn│Zn2+║Ni2+│Ni
Ni2+│Ni║Zn│ Zn2+
Zn2+│Zn║Ni│ Ni2+
Ni│Ni2+║Zn2+│Zn
Zn│Zn2+║Ti│Ti2+
4.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Arus listrik sebesar 5 Ampere dialirkan kedalam larutan CuSO4 selama 2 jam (Ar Cu = 63,5), maka massa tembaga yang mengendap di katoda adalah …
4,25 gram
6,75 gram
8,46 gram
11,84 gram
23,7 gram
5.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Pada elektrolisis larutan NiSO4 selama 1 jam di ruang katoda mengendap logam Ni seberat 4,4 gram, jika Ar Ni = 59 maka besarnya arus yang digunakan sebesar …
10 ampere
8,2 ampere
4,0 ampere
6,4 ampere
5,2 ampere
6.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Di antara pernyataan berikut yang bukan sifat halogen adalah …
Pada suhu kamar F2 dan Cl2 berwujud gas
Unsur halogen selalu terdapat dalam bentuk monoatomik
Unsur halogen merupakan pengoksidasi kuat
Pada suhu kamar Br2 berwujud cair
Iodin mempunyai titik didih tertinggi di antara unsur halogen lainnya
7.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Unsur halogen yang digunakan sebagai antiseptik adalah …
Klorin
Bromin
Fluorin
Hidrogen
Iodin
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