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Quiz

Transition Metals - Colours

tastymemes 10 perguntas 4,0 (1 avaliação)

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Perguntas do quiz (10)

1Which of these are the correct oxide colours for those transition metals listed?
1. AMnO - Green
2. BCr2O3 - violet
3. CFe(II)O - Dark Red
4. DFe2(III)O3 - Black
5. ENiO - Blue
6. FCuO - Black
7. GCu2(I)O - Black
2The 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
1. AVerdadeiro
2. BFalso
3Which of these colours are correct for the listed compounds and oxidation states of Mn?
1. AMnO - Pale Pink
2. BMnCl2.2H2O - Brown
3. C[Mn(H2O)6] 2+ - Purple
4. DMnO4 2- (aq) - Pale Pink
5. EMnO4- (aq) - Purple
4What colour is CuCl2?
1. AGreen
2. BBlue
3. CRed
4. DBlack
5. EBrown
5[CuCl4] 2- is yellow.
1. AVerdadeiro
2. BFalso
6NiCl2 is what colour?
1. AYellow
2. BGreen
3. CBlue
4. DPurple
7Which of these are the correct colours for their listed transition metal chlorides?
1. ACrCl2 - Green
2. BCrCl3 - Violet
3. CCrCl3.6H2O - Violet
4. DFeCl2 - Brown
5. EFeCl3 - depends on the angle it is viewed at.
6. FNiCl2 - Green
7. GNiCl2.6H2O - Green
8. HCuCl2.H2O - Green
9. ICuCl - Green
8Cu2(I)O is red.
1. AVerdadeiro
2. BFalso
9Cr2O3 is what colour?
1. AYellow
2. BBlue
3. CViolet
4. DGreen
5. EPurple
10Cu(OH)2 is a blue solution.
1. AVerdadeiro
2. BFalso

Informações

Descrição: Test on colours for Hydroxides, Oxides, and Chlorides of transition metals, along with their (aq) oxidation states, for edexcel A2 chemistry, 2015.
Autor: tastymemes
Idioma: English
Visualizações: 470
Etiquetas: edexcel chemistry a2 unit 5 transition metals colours oxides hydroxides chlorides oxidation states chemistry a2
Avaliação: 4,0 de 5 · 1 avaliação
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