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Qualitative Analysis revision > Tests for aqueous cations > Flashcards

Tests for aqueous cations Flashcards

1
Q

Ammonium with sodium hydroxide (aq)

A

ammonia produced on warming

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2
Q

Calcium with sodium hydroxide (aq)

A

white ppt., insoluble in excess

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3
Q

Calcium with ammonia (aq)

A

no ppt., or very slight white ppt.

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4
Q

Copper with sodium hydroxide (aq)

A

light blue ppt., insoluble in excess

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5
Q

Copper with ammonia (aq)

A

light blue ppt., soluble in excess, giving a dark blue solution

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6
Q

Iron (II) with sodium hydroxide (aq)

A

green ppt., insoluble in excess

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7
Q

Iron (II) with ammonia (aq)

A

green ppt., insoluble in excess

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8
Q

Iron (III) with sodium hydroxide (aq)

A

red-brown ppt., insoluble in excess

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9
Q

Iron (III) with ammonia (aq)

A

red-brown ppt., insoluble in excess

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10
Q

Zinc with sodium hydroxide (aq)

A

white ppt., soluble in excess giving a colourless solution

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11
Q

Zinc with ammonia (aq)

A

white ppt., soluble in excess giving a colourless solution

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Qualitative Analysis revision (4 decks)

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