Ligand colours Flashcards by Edward Duffy

Q

What colour is Cu(H20)6

A

Pale blue

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Q

What colour is Cu(OH)2

A

Pale blue precipitate

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Q

What colour is Cu(NH3)4(H20)2

A

Dark blue solution

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Q

What colour is CuCl4

A

Yellow solution- may appear green

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Q

What colour is Cr(H20)6

A

Pale purple solution

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Q

How is Cr(H20)6 formed

A

Dissolving KCr(SO4)2•12H20 in water

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Q

What colour is Cr(H20)5SO4

A

Green

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Q

How is Cr(H20)5SO4 formed

A

Dissolve Cr2(SO4)3 in water

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Q

What colour is Cr(NH3)6

A

Purple

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Q

What colour is Cr(OH)3

A

Grey green precipitate

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Q

What colour are dissolved Fe3+ ions

A

Pale yellow

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Q

What colour is Fe(OH)2

A

Green precipitate turns orange brown at surface on contact with air

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Q

What colour are Mn2+ ions

A

Pale pink

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Q

What colour is Mn(OH)2

A

Light brown precipitate

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Q

What colour Cr3+ ions

A

Green

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Q

What ligand does oxygen replace on hameoglobin

A

Water or CO2

Q

What colour is Cr(OH)6 3-

A

Dark green

Q

2Fe(H20)6 2+ +Cl2 --->

A

2Fe(H20)6 3+ +2Cl-

Q

What is the contact process

A

Producing H2SO4 from SO2

Q

What catalyst is used in the contact process

A

V2O5