Question

What happens when ammonia solution is added first dropwise and then in excess to fecl3and znso4 , cuso4. write balanced equation for these reactions.

Answer 1

For fecl3 , znso4 and coso4 :  When added in small quantity (dropwise) , a raddish - brown precipitate of Fe (OH)3 is formed . The precipitate is insoluble in excess of of ammonia solution .

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