2731206
Description
Quiz by tastymemes, updated more than 1 year ago
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Created by tastymemes
almost 9 years ago
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Question 1
Question
Which of these are the correct oxide colours for those transition metals listed?
Answer
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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
Question 2
Question
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
Answer
- True
- False
Question 3
Question
Which of these colours are correct for the listed compounds and oxidation states of Mn?
Answer
-
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
Question 4
Question
What colour is CuCl2?
Answer
-
Green
-
Blue
-
Red
-
Black
-
Brown
Question 5
Question
[CuCl4] 2- is yellow.
Answer
- True
- False
Question 6
Question
NiCl2 is what colour?
Answer
-
Yellow
-
Green
-
Blue
-
Purple
Question 7
Question
Which of these are the correct colours for their listed transition metal chlorides?
Answer
-
CrCl2 - Green
-
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
-
NiCl2.6H2O - Green
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CuCl2.H2O - Green
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CuCl - Green
Question 8
Question
Cu2(I)O is red.
Answer
- True
- False
Question 9
Question
Cr2O3 is what colour?
Answer
-
Yellow
-
Blue
-
Violet
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Green
-
Purple
Question 10
Question
Cu(OH)2 is a blue solution.
Answer
- True
- False
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