redoxi reakciók
Authored by Gabriella Láng
Chemistry
8th - 12th Grade
Used 1+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
2AgNO3 + Fe = Fe(NO3)2 + 2Ag
A fenti reakció során melyik anyag az oxidálódik?
Az Ag+
A vasion
a fém ezüst
Fe
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
2AgNO3 + Fe = Fe(NO3)2 + 2Ag
A fenti reakció során melyik anyag az redukálódik?
A nitrátion.
Ag+
Fe2+
Ag
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
2AgNO3 + Fe = Fe(NO3)2 + 2Ag
A fenti reakció során melyik anyag redukálószer?
Fe
Fe2+
Ag
Ag+
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
2AgNO3 + Fe = Fe(NO3)2 + 2Ag
Melyik a fenti reakció helyes ionegyenlete?
2Ag+ + Fe = 2Ag + Fe2+
Ag + Fe = Ag+ + Fe
Ag + NO3- = AgNO3
Fe2+ + Ag = Fe + Ag+
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Melyik reakciót írja le az alábbi egyenlet?
Fe + CuSO4 = FeSO4 + Cu
Vaslemezt mártunk cink-klorid oldatba.
Rézlemezt mártunk vas-szulfát oldatba.
Vaslemezt mártunk réz-szulfát oldatba
Ezüstlemezt mártunk sósavba.
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