Lassaigne's test (with silver nitrate) is commonly used to detect halogens such as chlorine, bromine and iodine but not useful to detect fluorine because the product AgF formed as

Lassaigne's test (with silver nitrate) is commonly used to detect halo

1.	Lassaigne's test (with silver nitrate) is commonly used to detect halogens such as chlorine, bromine and iodine but not useful to detect fluorine because the product AgF formed as
Answer» volatile reactive explosive SOLUBLE in WATER Solution :AgF is HIGHLY soluble in `H_(2)O` therefore, NaF formed in the Lassaigne's extract does not produce a ppt. with `AgNO_(3)`.