what is halides and anhydrous halides.explain with th e help of examples

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Solution

Halides are compounds formed by halogens when they react with elements more electropositive than themselves.
Halides tend to be hygroscopic i.e. have affinity for water/moisture.
E.g. Pure CaCl₂is an anhydrous halide.
But when exposed to moisture it becomes CaCl₂.2H₂O which is its hydrated form

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