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Chemistry > Anion Test > Flashcards

Anion Test Flashcards

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1
Q

Carbonate ion: Test

A

Add dilute hydrochloric acid to the salt

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2
Q

Carbonate ion: Observation

A

Carbon dioxide evolved which turnd limewater milky

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3
Q

Carbonate ion: Confirmatory Test

A

Add magnesium sulfate to a fresh solution. White percipitate forms.

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4
Q

Carbonate ion: Chemical equation

A

CO3 + 2H -> CO2 + H2O

Mg + CO3 -> MgCO3

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5
Q

Hydrogencarbonate: Test

A

Add dilute hydrochloric acid

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6
Q

Hydrogencarbonate ion: Observation

A

Carbon dioxide evolved which turns limewater milky

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7
Q

Hydrogencarbonate ion: Confirmatory test

A

Add magnesium sulfate to a fresh solution

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8
Q

Nitrate ion: Test

A

Add fresh FeSO4 solution and concentrated H2SO4(sulfuric acid) to the solution, at an angle.

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9
Q

Nitrate ion: Observation

A

Brown ring observed

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10
Q

Chloride ion: Test

A

Add silver nitrate (AgNO3) to solution

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11
Q

Chloride ion: Observation

A

White percipitate is formed

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12
Q

Chloride ion: Confirmatory test

A

White percipitate dissolves in ammonia solution

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13
Q

Chloride ion: Chemical equation

A

AgNO3 + NaCl -> AgCl

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14
Q

Sulfite/Sulfate ion: Test

A

Add barium chloride (BaCl2) to solution

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15
Q

Sulfite/Sulfate ion: Observation

A

White percipitate is formed to make barium sulfite

White percipitate is formed to make barium sulfate

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16
Q

Sulfite/ Sulfate ion: Confirmatory tests

A

Barium sulfite is soluble in dilute HCl

Barium sulfate is not soluble in HCl

17
Q

Sulfite/Sulfate: Chemical equation

A

Ba + SO3 -> BaSO3
Ba + SO4 -> BaSO4
SO3 + 2H -> SO2 + H2O

18
Q

Phosphate ion: Test

A

Ammonium molybdate and concentrated nitric acid are added to the solution and is warmed

19
Q

Phosphate ion: Observation

A

Yellow percipitate is formed

20
Q

Hydrogencarbonate ion: Chemical equation

A

HCO3 + H -> CO2 + H2O

Mg + 2HCO3 -> Mg(HCO3)2 -> MgCO3 + CO2 + H2O

Chemistry (17 decks)

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