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level: Testing for halide ions

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level questions: Testing for halide ions

QuestionAnswer
How can we test for halide ions, Cl⁻ (aq) , Br⁻ (aq) and I⁻(aq).If an unknown compound is dissolved in dilute nitric acide and silver nitrate solution is added, a precipitate will form if the unknown solutions contains halide ions. The precipitate will be silver chloride (AgCl), silver bromide (AgBr) or silver iodide (Agl)
What is the general equation for the precipitation reactions with silver nitrate solution is:AgNo₃(aq) + X⁻ (aq) → AgX(s) + No₃⁻ (aq) Where X⁻ represents the halide ion
What is the colour of silver halide precipitate on addition of silver nitrate solution? Chloride (Cl⁻ (aq) )white
Whis is the colour of silver halide precipitate on addition of silver nitrate solution? Bromide (Br⁻ (aq) )Cream
What is the colour of silver halide precipitate on addition of silver nitrate solution? (Iodide)Pale yellow