Q. 925.0( 4 Votes )

State and explain the reactions, if any, of the following metals with a solution of copper sulphate: (a) Gold
(b) Copper
(c) Zinc
(d) Mercury
Solution|||
(a) no displacement reaction will take place with the solution of copper sulphate, as gold is less reactive then the copper.
(b) there will not be any reaction between copper and copper sulphate.
(c) copper will be replaced by zinc from the copper sulphate

Answer :

This is because zinc is more reactive then copper and the solution formed will be zinc sulphate and also there will be a formation of copper metal.

(d) in case of mercury no displacement reaction will take place as mercury is less reactive then copper.

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