PERIODE IV
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
Indahna Zulfa
FREE Resource
Student preview

30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Nikrom atau stainless steel merupakan paduan dari logam…….
Besi, tembaga, dan kromium
Nikel dan kromium
Besi, tembaga, seng
Nikel dan seng
Besi, Nikel, Seng
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur transisi yang digunakan untuk komponen pada lampu berintensitas tinggi yaitu……
Besi
Seng
Titanium
Tembaga
Scandium
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Menurut proses goldschmidt dengan jalan mereduksi Cr2O3 dengan logam aluminium, proses pembuatan logam krom memiliki reaksi…………..
Cr2O3 (s) + 2Al(s) Al2O3(s) + 2Cr(s)
CrO3 (s) + 2Al(s) Al2O3(s) + Cr(s)
Cr2O (s) + 2Al(s) Al2O(s) + 2Cr(s)
Cr2O3 (s) + Al(s) Al2O3(s) + 2Cr(s)
Cr3O2 (s) + 2Al(s) Al2O2(s) + 3Cr(s)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dibawah ini bilangan oksidasi Mangan yang stabil ada adalah…
+2
+3
+4
+5
+7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pernyataan berikut yang bukan merupakan sifat unsur transisi adalah …
Bersifat nonlogam
Mempunyai beberapa bilangan oksidasi
Bersifat paramagnetik
Dapat membentuk senyawa kompleks
Senyawanya berwarna
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Menurut aturan IUPAC, anam yang benar untuk senyawa kompleks [Cr(NH3)5Cl]Cl2 adalah …
Pentaaminoklorokromium (III) klorida
Kloropentaaminokromium (III) diklorida
Krom (III) pentaaminokloroklorida
Monoklorokromium (III) pentaaminoklorida
dikloropentaaminomonoklorokrom (III)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dalam ion VO2 2+, atom vanadium mempunyai biloks …
+2
+3
+4
+5
+6
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