Do you know !!! Detection of Halogens: (Silver Nitrate Test) The following steps help in the detection of halogens in an organic compound. Lasseigne’s solution or sodium fusion extract is used for preparation for the detection of nitrogen, sulphur and halogens in the given organic compound. Also, Read Preparation of Lassaigne’s Solution Procedure: Step 1:Detection of Halogens in Organic Compound by Lassaigne’s Solution – Silver Nitrate Test