Iron Fe Flashcards by Emma O'Donnell

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Q

what colour is [Fe(H2O)6] 2+ ?

A

pale green

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Q

what colour is Fe (OH)2 ?

A

dark green precipitate

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Q

what colour is [Fe(H2O)6] 3+ ?

A

yellow

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Q

what colour is Fe(OH)3 ?

A

orange/brown precipitate

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Q

what colour is Fe 3+ ?

A

orange/brown

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Q

what is [Fe(H2O)6] 2+ formed from?

A

FeSO4 • 7H2O

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Q

what is formed when drop wise NaOH is added to Fe 2+ ?

A

Fe(OH)2

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Q

what is [Fe(H2O)6] 3+ formed from?

A

FeCl3 • 6H2O

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Q

what is formed when drop wise NaOH is added to Fe 3+ ?

A

Fe(OH)3

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