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Complex ion colours

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zodideyu's version from 2017-06-10 16:06

Section 1

Question Answer
Colour of [Cu(H2O)6]2+Blue Solution
Colour of [Co(H2O)6]2+Pink Solution
Colour of [Fe(H2O)6]2+Pale Green Solution
Colour of [Al(H2O)6]3+Colourless Solution
Colour of [Cr(H2O)6]3+Dark Green Solution
Colour of [Fe(H2O)6]3+purple solution
memorize

Section 2

Question Answer
Colour of [Cu(H2O)4(OH)2]Pale Blue Precipitate
Colour of [Co(H2O)4(OH)2]Blue/Green Precipitate
Colour of [Fe(H2O)4(OH)2]Pale Green Precipitate
Colour of [Al(H2O)3(OH)3]White Precipitate
Colour of [Cr(H2O)3(OH)3]Dark Green Precipitate
Colour of [Fe(H2O)3(OH)3]Brown Precipitate
memorize

Section 3

Question Answer
Colour of [Cu(H20)2(NH3)4]2+Royal Blue Solution
Colour of [Co(H20)2(NH3)4]2+Straw Coloured Solution
Colour of [Cr(NH3)6]3+Purple Solution
memorize

Section 4

Question Answer
Colour of [Al(OH)]3-Colourless Solution
Colour of [Cr(OH)]3-Dark Green Solution
memorize

Section 5

Question Answer
Colour of CuCO3Green Precipitate
Colour of CoCO3Purple Precipitate
Colour of FeCO3Grey/green Precipitate
memorize