Flame tests Flashcards

1
Q

What colour does pottasium go in a flame test

A

lilac

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1
Q

What colour does lithuim go in a flame test

A

crimson

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2
Q

What colour does barium go in a flame test

A

green

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3
Q

What colour does sodium go in a flame test

A

yellow

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4
Q

What colour does calcium go in a flame test

A

red

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5
Q

What colour does Iron(II) go in the test for positive ions

A

Green

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6
Q

What colour does Iron(III) go in the test for positive ions

A

Brown

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7
Q

What colour does Copper go in the test for positive ions

A

Blue

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8
Q

What colour does Calcium go in the test for positive ions

A

White

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9
Q

What colour does Aluminium go in the test for positive ions

A

White

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10
Q

How can you work out whether a sample is Aluminium or Calcium

A

Use Excess NaOH, Aluminium hydroxide forms a colourless solution, Calcium hydroxide stays the same

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11
Q

How to test For Carbonate ions

A

Add dilute HCL, Bubble through lime water

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12
Q

How to test For Sulfate ions

A

Add HCL, Then add Barium chloride, white precipitate forms

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13
Q

What colour does Chloride go in the test for Halide ions

A

White

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14
Q

What colour does Bromide go in the test for Halide ions

A

cream

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15
Q

What colour does iodide go in the test for Halide ions

A

yellow

16
Q

How do you test for halide ions

A

Few drops of nitric acid then a few drops of silver nitrate are added, colour change occurs