Hey I've moved this thread to chemistry. 
Original post by shafia13
When making Benzenediazonium chloride,why phenylamine does not react with concentrated HCl to form phenylammonium ions?
You don't add concentrated HCl to the phenylamine. You add a mixture of sodium nitrite and hydrochloric acid (2M). This makes the species HONO, which then reacts with the amine.
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