How can halides be tested for?

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How can halides be tested for?

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Answer 1 · 2016-06-27T14:37:07

By addition of a soluble silver salt; typically #AgNO_3(aq)#.

Explanation:

#Ag(NO_3)(aq) + X^(-) rarr AgX(s) darr + NO_3^-#

#"Silver chloride"# forms a curdy, insoluble white precipitate. #"Silver bromide"# forms a curdy, insoluble cream-coloured precipitate, #"Silver iodide"# forms a fine yellow precipitate. On standing, the precipitate reduces to metallic silver.

All of the silver halides are quite insoluble, See here for more details.

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How can halides be tested for?

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