2731206
Beschreibung
Quiz von tastymemes, aktualisiert more than 1 year ago
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Erstellt von tastymemes
vor mehr als 9 Jahre
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Frage 1
Frage
Which of these are the correct oxide colours for those transition metals listed?
Antworten
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MnO - Green
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Cr2O3 - violet
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Fe(II)O - Dark Red
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Fe2(III)O3 - Black
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NiO - Blue
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CuO - Black
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Cu2(I)O - Black
Frage 2
Frage
The colours for V in its various oxidation states are as follows:
V 2+ - Violet
V 3+ - Green
V 4+ - Blue
V 5+ (VO3- and VO2+) - Yellow
Antworten
- True
- False
Frage 3
Frage
Which of these colours are correct for the listed compounds and oxidation states of Mn?
Antworten
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MnO - Pale Pink
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MnCl2.2H2O - Brown
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[Mn(H2O)6] 2+ - Purple
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MnO4 2- (aq) - Pale Pink
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MnO4- (aq) - Purple
Frage 4
Frage
What colour is CuCl2?
Antworten
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Green
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Blue
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Red
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Black
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Brown
Frage 5
Frage
[CuCl4] 2- is yellow.
Antworten
- True
- False
Frage 6
Frage
NiCl2 is what colour?
Antworten
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Yellow
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Green
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Blue
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Purple
Frage 7
Frage
Which of these are the correct colours for their listed transition metal chlorides?
Antworten
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CrCl2 - Green
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CrCl3 - Violet
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CrCl3.6H2O - Violet
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FeCl2 - Brown
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FeCl3 - depends on the angle it is viewed at.
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NiCl2 - Green
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NiCl2.6H2O - Green
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CuCl2.H2O - Green
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CuCl - Green
Frage 8
Frage
Cu2(I)O is red.
Antworten
- True
- False
Frage 9
Frage
Cr2O3 is what colour?
Antworten
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Yellow
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Blue
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Violet
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Green
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Purple
Frage 10
Frage
Cu(OH)2 is a blue solution.
Antworten
- True
- False
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