
400-453
Authored by Аrman Onalbaev
Chemistry
University
Used 6+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какой состав имеет карбонил железа:
Fe(CO)4
e2(CO)8
Fe(CO)3
Fe(CO)5
Fe(CO)6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какая соль в растворе сильнее всего гидролизуется:
FeCl3
NaFeO2
Fe2(SO4)3
Fe(NO3)3
FeCl2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое соединение образуется при сплавлении Fe2O3 с карбонатом калия:
KOH
FeO
Fe(OH)3
Fe(OH)2
KFeO2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какое соединение образуется при сплавлении Fe2O3 с бертолетовой солью и щелочью (KOH):
FeO
K2FeO4
Fe(OH)3
Fe(OH)2
KFeO2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какие вещества образуются при взаимодействии феррата калия с серной кислотой:
H2
FeSO4
H2S
Fe2(SO4)3
H2FeO4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какую реакцию нельзя использовать для получения феррата калия:
FeCl3 + Br2+ KOH(конц) t→
Fe2O3+K2CO3 (ТВ) t→
FeCl3 + Cl2 + KOH(конц) t→
Fe2O3+NaNO3(ТВ) +NaOH(ТВ) t→
Fe2O3+KNO3+KOH(ТВ) t→
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Какого окрашивания роданид железа
белый
желтый
кроваво-красный
кроваво-красный
зеленый
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