Tests For Positive Ions Flashcards by Han serg | Brainscape

Q

Flame test- sodium

A

Yellow

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Q

Flame test- lithium

A

Crimson

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Q

Flame test- potassium

A

Lilac

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Q

Flame test- calcium

A

Red

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Q

Flame test- barium

A

Green

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Q

Reactions with sodium hydroxide

-copper (||)

A

Blue precipitate

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Q

Reactions with sodium hydroxide

-iron (||)

A

Green precipitate

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Q

Reactions with sodium hydroxide

-iron (|||)

A

Reddish-brown

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Q

Reactions with sodium hydroxide

-magnesium (||)

A

White precipitate
insoluble in NaOH
no colour in flame test

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Q

Reactions with sodium hydroxide

-calcium (||)

A

white precipitate
insoluble in NaOH
red in flame test

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Q

Reactions with sodium hydroxide

-aluminium (|||)

A

white precipitate

- dissolves in NaOH

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