
Redox_2020x
Authored by Peter Nissen
Chemistry
12th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken af disse metaller vil ikke afgive elektroner når det kommes i magnesiumcloridsopløsning?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can dihydrogen do the the voltage range (spændningsrækken)?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvorfor vil hydrogen have et oxidationstal på -1, når det indgår en forbindelse med de fleste metaller?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad er oxygens oxidationstal i oxygenfluorid (OF2)
+I
-II
-I
+II
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad er oxidationstallet for Mn i MnO4-?
5
3
12
7
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forklar, hvorfor den samlede stigning i oxidationstal skal være lig med det samlede fald i oxidationstal ved en kemisk reaktion:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad skal der tilføjes for at afstemme ladning i en sur opløsning?
O2
OH+
OH-
SO42-
H+
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