Cation Testing Flashcards by William John SLACK-SMITH | Brainscape

Q

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Ag+

A

OH- Forms Brown Milk

Cl- forms a white precipitate

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Q

Pb+

A

OH- White precipitate which dissolves in excess

Cl- forms a ppt

I- Forms a yellow ppt

Blue-Grey Flame

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Q

Ba 2+

A

SO4 2-

No ppt with OH- or F- (Compare Ca)

Pale Green Flame Colour

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Q

Ca 2+

A

SO4 2- and OH- forms a white ppt

F- forms a white ppt

Brick Red colour flame

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Q

Mg+

A

OH- white ppt

No ppt with SO4 2-

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Q

Cu2+

A

OH- Forms a blue ppt

blue-green colour flame

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Q

Fe 2+

A

OH- forms a green

Gold or orange flame colour

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Q

Fe 3+

A

OH- forms a brown ppt

SCN- forms a deep red solution

Orange-Brown flame colour

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