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Why is a yellow precipotate obtained for the test for halogenoalkanes
Accepted Answer
A yellow precipitate is often observed in the test for halogenoalkanes because of the formation of silver halide salts. For example, when a halogenoalkane reacts with silver nitrate in the presence of ethanol, the halide ion (Cl-, Br-, or I-) from the halogenoalkane reacts with the silver ions from silver nitrate to form a precipitate. The precipitate is typically yellow for silver iodide (AgI), white for silver chloride (AgCl), and cream for silver bromide (AgBr).
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