
Галогены и кислород
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
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9 questions
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1.
LABELLING QUESTION
1 min • 4 pts
Определите по цвету какой галоген находится в пробирке
Br2
Cl2
F2
I2
2.
REORDER QUESTION
1 min • 5 pts
Расположите соединения по увеличению степени окисления в нем галогена
HF
HIO2
HClO
HBrO3
3.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Выберите металлы, с которыми НЕ реагируют Cl2, Br2, I2:
Au
Cu
Pt
Fe
Al
4.
REORDER QUESTION
1 min • 4 pts
Расположите элементы в порядке возрастания кислотных свойств их водородных соединений:
HI
HCl
HF
HBr
5.
MATCH QUESTION
1 min • 4 pts
Соотнесите соединение со степенью окисления кислорода в нем:
-2
O2
+2
H2O
-1
OF2
0
Na2O2
6.
DRAG AND DROP QUESTION
1 min • 3 pts
Продуктами реакции Cl2 + KOH без нагревания будут: (a) (b) (c)
7.
MATCH QUESTION
1 min • 5 pts
Соотнесите реакцию с ее признаком
взрыв
KClO3 + Р
появление белого дымка
AgNO3 + HCl
появление фиолетового осадка
CuSO4 + KI
появление белого осадка
H2 + F2
8.
MATCH QUESTION
1 min • 1 pt
Сопоставьте кислоту с ее названием
бромная
HBr
бромноватая
HBrO3
бромноватистая
HBrO2
бромводородная
HBrO4
бромистая
HBrO
9.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выберите степени окисления, которые фтор может проявлять в соединениях
0
-1
+1
+3
+5
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