all the coloured compounds needed to be known for a level chem Flashcards
1
Q
What is the colour of [Cu(Nh3)4(H2O)2]2+
A
= this is a blue solution
2
Q
What is the colour of [CuCl4]2- ?
A
= yellow/green solution
= tetrahedral shape
3
Q
What is the colour of [CoCl4]-
A
= this is a blue solution
= tetrahedral shape
4
Q
What is the colour of [Co(H2O)6]2 +
A
pink
5
Q
What is the reaction of [Co(Nh3)6]2+ when adding o2?
A
[Co(Nh3)6]3+ +e-
= goes from yellow to brown
6
Q
What is the reaction when [Co(H2O)6]2+ and 6 moles of ammonia?
A
= [Co(Nh3)6]2+ and 6 water
7
Q
What is the colour of [Co(Nh3)6]2+?
A
= yellow
8
Q
What is the colour of [Co(Nh3)6]3+?
A
= brown
9
Q
A
