В каком соединении марганец имеет степень окисления +7?
Марганец
5th - 12th Grade
•13 Qs
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Марганец
Quiz
•
Science
•
5th - 12th Grade
•
Hard
Ольга Рябова
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KMnO4
MnO2
Mn
K2MnO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком соединении марганец имеет степень окисления 0?
Mn
MnO
MnSO4
KMnO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое вещество является окислителем в данной реакции?
KMnO4 + H2O2 + H2SO4 -> K2SO4 + MnSO4 + O2 + H2O
KMnO4
H2O2
H2SO4
H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определить среду раствора в реакции
KMnO4 + Na2SO3 + H2O
pH < 7
pH =7
pH > 7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определить среду раствора в реакции
KMnO4 + H2O2 + H2SO4
pH < 7
pH = 7
pH > 7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Определить среду раствора в реакции
KMnO4 + K2S + NaOH
pH < 7
pH = 7
pH > 7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой цвет имеет KMnO4?
Малиновый
Зеленый
Желтый
Белый
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