
NHÓM HALOGEN
Authored by Vũ Lê Quang
Chemistry
10th Grade
Used 3+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của các nguyên tử các nguyên tố halogen là
ns2np4.
ns2np5.
ns2np3.
ns2np6.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất, số oxi hóa phổ biến của chlorine là
-1,0,+1,+3,+5,+7.
-1,+1,+3,+5,+7.
+1,+3,+5,+7.
+7,+3,+5,+1,0,-1.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đơn chất halogen tồn tại thể lỏng ở điều kiện thường là
fluorine.
chlorine.
bromine.
iodine.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính chất hóa học đặc trưng của các đơn chất halogen là
tính khử.
tính base.
tính acid.
tính oxi hóa.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các đơn chất halogen nào sau đây được xếp theo thứ tự tính oxi hóa tăng dần?
F2, Cl2, Br2, I2.
Cl2, Br2, I2, F2.
Cl2, F2, Br2, I2.
I2, Br2, Cl2, F2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí chlorine tan vào nước thu được dung dịch X như bên. Thành phần của dung dịch X gồm
HClO, HCl, Cl2, H2O.
NaCl, NaClO, NaOH, H2O.
HClO, HCl.
HCl, KCl, KClO3, H2O.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Br2 có thể phản ứng được với dung dịch muối nào sau đây?
NaF.
NaCl.
NaBr.
NaI.
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