Anions Flashcards

1
Q

How do you test for carbonate ions

A

add HCL, if bubbling CO2 present, bubble gas through limewater, turns cloudy

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1
Q

What is the symbol for carbonate ions

A

CO4-2

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2
Q

What is the symbol for sulfate ions

A

SO4-2

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3
Q

How do you test for sulfate ions

A

add HCL, this removes carbonate ions that may give precipitate, add barium chloride, white precipitate

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4
Q

What halide ions are tested

A

Cl, Br, I

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5
Q

How do you test for halide ions

A

add nitric acid, which removes carbonate ions, then silver nitrate solution,

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6
Q

What precipitate does chloride produce and turn

A

Silver chloride turns white

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7
Q

What precipitate does bromide produce and turn

A

silver bromide turns cream

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8
Q

What precipitate does iodide produce and turn

A

silver iodide turns yellow

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