Test for cations Flashcards by Caolan Cunningham

Q

How do you perform a flame test

A

Dip nichrome wire in concentrated HCl
Dip wire into test solid
Hold wire in blue Bunsen flame
Note the colour of the flame

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Q

What does a crimson flame indicate

A

Lithium ion

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Q

What does a yellow/orange flame indicate

A

Sodium ion

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Q

What does a lilac flame indicate

A

Potassium ion

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Q

What does a brick red/red flame indicate

A

Calcium ion

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Q

What does a green/apple green flame indicate

A

Barium ion

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Q

What does a blue-green flame indicate

A

Copper(II) ion

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