Positive ion tests Flashcards

1
Q

Green/blue flame

A

Copper

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2
Q

Light red flame

A

Calcium

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3
Q

Lilac flame

A

Potassium

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4
Q

Yellow flame

A

Sodium

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5
Q

Brick Red flame

A

Lithium

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6
Q

If the flame test produces no change what do you do?

A

Add sodium hydroxide

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7
Q

Light blue precipitate formed =

A

Copper

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8
Q

Reddish brown precipitate formed =

A

Iron (III)

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9
Q

Green precipitate formed=

A

Iron (II)

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10
Q

White precipitate formed =. And what do u do

A

Either magnesium, calcium or aluminium

Add sodium hydroxide

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11
Q

Adding sodium hydroxide to white precipitate
Dissolve =
Doesn’t dissolve =
Then what?

A

Dissolve = Aluminium
Doesn’t dissolve= either magnesium or calcium
So do flame test

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12
Q

Green flame

A

Barium

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