Positive Ion (Anion) Tests Flashcards by Macco Dewdney | Brainscape

Q

Lithium Li+

A

Dip nichrome wire in substance

Put the wire into a non-luminous flame

Check colour

RED FLAME

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Q

Sodium Na+

A

Dip nichrome wire in substance

Put the wire into a non-luminous flame

Check colour

YELLOW FLAME

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Q

Potassium K+

A

Dip nichrome wire in substance

Put the wire into a non-luminous flame

Check colour

LILAC FLAME

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Q

Calcium Ca 2+

A

Dip nichrome wire in substance

Put the wire into a non-luminous flame

Check colour

RED (BRICK RED) FLAME

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Q

Copper Cu 2+

A

Dip nichrome wire in substance

Put the wire into a non-luminous flame

Check colour

GREEN FLAME

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Q

Iron(ll) Fe 2+

A

Add NaOH(aq)

Look at ppt

GREEN ppt

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Q

Iron(lll) Fe 3+

A

Add NaOH(aq)

Look at ppt

BROWN ppt

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Q

Copper Cu 2+

A

Add NaOH(aq)

Look at ppt

BLUE ppt

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Q

Ammonium NH4 +

A

Add NaOH(aq)

Text for ammonia: damp red litmus -> blue

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