During lassaigne's test halogens are precipitated as
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During lassaigne's test halogens are precipitated as
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Answer:
During Lassaigne's test, halogens (chlorine, bromine, or iodine) are precipitated as silver halides. The test is used to detect the presence of halide ions in a given organic compound or inorganic salt.
The general reaction for the precipitation of halogens in Lassaigne's test is:
1. **Chlorine:** AgNO3 + Cl- → AgCl (white precipitate)
2. **Bromine:** AgNO3 + Br- → AgBr (cream-colored precipitate)
3. **Iodine:** AgNO3 + I- → AgI (yellow precipitate)
The formation of these characteristic colored precipitates indicates the presence of halide ions in the tested substance. This test is a common qualitative analysis technique used in chemistry to identify the halogens in a given sample.
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