Identifying Elements 2 Flashcards

1
Q

Aluminum with NaOH

A

white ppt (aluminum hydroxide)

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2
Q

Aluminum with excess NaOH

A

clear colorless solution (tetrahydroxoaluminate)

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3
Q

Aluminum with NH3

A

white ppt (aluminum hydroxide)

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4
Q

Calcium with NaSO4

A

white ppt (calcium sulfate)

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5
Q

Copper 2 with NaOH

A

blue-gelatinous ppt (cuprous hydroxide)

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6
Q

Copper 2 with smol NH3

A

blue-gelatinous ppt (cuprous hydroxide)

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7
Q

Copper with excess NH3

A

deep blue sol. (tetraamine copper)

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8
Q

Iron 2 with NaOH

A

green-gelatinous ppt (ferrous hydroxide)

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9
Q

Iron 2 with NH3

A

green-gelatinous ppt (ferrous hydroxide)

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10
Q

Iron 3 with NaOH

A

reddish-brown ppt (ferric hydroxide)

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11
Q

Iron 3 with NH3

A

reddish-brown ppt (ferric hydroxide)

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12
Q

Zinc with smol NaOH

A

white-gelatinous ppt (Zinc hydroxide)

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13
Q

Zinc with excess NaOH

A

clear colorless sol. (Zincate ion)

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14
Q

Zinc with smol NH3

A

white-gelatinous (zinc hydroxide)

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15
Q

Zinc with excess NH3

A

clear colorless sol. (tetramine zinc)

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16
Q

ammonia

A

colorless gas