when copper sulhide is treated with hydrochloric, it's gives---------- smelling gas hydrogen sulphide
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Copper sulphide is treated with dilute hydrochloric acid. Excess of chlorine gas is reacted with ammonia gas. A few drops of dilute hydrochloric acid are added to silver nitrate solution, followed by addition of ammonium hydroxide solution.
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Hydrochloric acid reacts with copper sulphide to form copper chloride liberating H2S gas which has the smell of rotten egg. (iii) When excess of chlorine gas is treated with ammonia gas, a yellow coloured explosive is formed
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