Need to know Flashcards

1
Q

Copper(II) sulfate dissolved in water

A

Pale blue solution of [Cu(H2O)6]^2+

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2
Q

Excess NH3 added to [Cu(H2O)6]^2+

A

Dark blue solution of [Cu(NH3)4(H2O)2]^2+

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3
Q

Excess HCl added to [Cu(H2O)6]^2+

A

Yellow solution of [CuCl4]^2-

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4
Q

Add excess NH3 to [Cr(H2O)6]^3+

A

Purple solution of [Cr(NH3)6]^3+

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5
Q

Cr3+ added to OH-

A

Green- grey precipitate of Cr(OH)3

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6
Q

Excess OH- added to Cr(OH)3

A

Dark green precipitate of [Cr(OH)6]^3-

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