Complex ion solutions and precipitates Flashcards by Rosabelle Manton | Brainscape

Q

[Cu(H2O)6]2+ APPEARANCE:

A

Blue solution

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Q

[Cu(H2O)6]2+ w/ OH-/NH3

A

Cu(OH)2(H2O)4

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Q

[Cu(H2O)6]2+ w/ excess OH-

A

NO CHANGE

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Q

[Cu(H2O)6]2+ w/ excess NH3

A

[Cu(NH3)4(H2O)2]2+

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Q

[Cu(H2O)6]2+ w/ Na2CO3

A

CuCO3

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Q

Cu(OH)2(H2O)4 APPEARANCE:

A

BLUE PPT

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Q

[Cu(NH3)4(H2O)2]2+ APPEARANCE:

A

DEEP BLUE SOLUTION

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Q

CuCO3 APPEARANCE:

A

GREEN-BLUE PPT

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Q

[Fe(H2O)6]2+ APPEARANCE:

A

GREEN SOLUTION

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Q

[Fe(H2O)6]2+ w/ OH-/NH3

A

Fe(OH)2(H2O)4

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Q

[Fe(H2O)6]2+ w/ excess OH-

A

NO CHANGE

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Q

[Fe(H2O)6]2+ w/ excess NH3

A

NO CHANGE

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Q

[Fe(H2O)6]2+ w/ Na2CO3

A

FeCO3

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Q

Fe(OH)2(H2O)4 APPEARANCE:

A

GREEN PPT

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Q

FeCO3 APPEARANCE:

A

GREEN PPT

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Q

What happens when Fe(OH)2(H2O)4 stands in air?

A

goes BROWN on standing in air

Q

[Al(H2O)6]3+ APPEARANCE:

A

COLOURLESS SOLUTION

Q

[Al(H2O)6]3+ w/ OH-/NH3

A

Al(OH)3(H2O)3

Q

[Al(H2O)6]3+ w/ excess OH-

A

[Al(OH)4]-

Q

[Al(H2O)6]3+ w/ excess NH3

A

NO CHANGE

Q

[Al(H2O)6]3+ w/ Na2CO3

A

Al(OH)3(H2O)3

Q

Al(OH)3(H2O)3 APPEARANCE:

A

WHITE PPT

Q

[Al(OH)4]- APPEARANCE:

A

COLOURLESS SOLUTION

Q

Al(OH)3(H2O)3 APPEARANCE:
formed from a reaction with Na2CO3

A

WHITE PPT + BUBBLES

Q

[Fe(H2O)6]3+ APPEARANCE:

A

YELLOW SOLUTION

Q

[Fe(H2O)6]3+ w/ OH-/NH3

A

Fe(OH)3(H2O)3

Q

[Fe(H2O)6]3+ w/ excess OH-

A

NO CHANGE

Q

[Fe(H2O)6]3+ w/ excess NH3

A

NO CHANGE

Q

[Fe(H2O)6]3+ w/ Na2CO3

A

Fe(OH)3(H2O)3

Q

Fe(OH)3(H2O)3 APPEARANCE:

A

BROWN PPT

Q

Fe(OH)3(H2O)3 APPEARANCE:
reaction with Na2CO3

A

BROWN PPT + BUBBLES