Testing for Halide Ions (AQA A-Level Chemistry): Flashcards

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Testing for Halide Ions
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Reagent used to test for halide ions

AgNO3AgNO_3 (silver nitrate)

Why add HNO3HNO_3 before AgNO3AgNO_3 in halide test?

Removes impurities like CO32−CO_3^{2-} and OH−OH^-

Colour of AgClAgCl precipitate

White

Colour of AgBrAgBr precipitate

Cream

Colour of AgIAgI precipitate

Yellow

Why doesn't F−F^- precipitate with AgNO3AgNO_3?

AgFAgF is soluble in water

Solubility of AgClAgCl in ammonia

Dissolves in dilute and concentrated ammonia

Solubility of AgBrAgBr in ammonia

Insoluble in dilute, soluble in concentrated NH3NH_3

Solubility of AgIAgI in ammonia

Insoluble in both dilute and concentrated ammonia

Which halogen displaces both Br−Br^- and I−I^-?

Cl2Cl_2 (chlorine)

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Periodicity

Group 2, the Alkaline Earth Metals

Group 7 (17), the Halogens

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Periodicity

Group 2, the Alkaline Earth Metals

Group 7 (17), the Halogens

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Periodicity

Group 2, the Alkaline Earth Metals

Group 7 (17), the Halogens

Explore AQA A-Level Chemistry Exam Questions by Topics

Periodicity

Group 2, the Alkaline Earth Metals

Group 7 (17), the Halogens

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