Which type of a chemical reaction will take place if a piece of zinc is added to an aqueous solution of cupric chloride? Write the equation for the reaction.
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This is a Redox reaction in which oxidisation state of the metal changes .
Explanation:
Zinc metal is oxidised to zn²+ whereas cu²+ ( as cupric chloride ) is reduced to copper metal.
We can wrue the invidual Redox equations:
Cu²+ + 2 e- = Cu(s)
zn(s) = Zn²+ 2e-
A zinc electrode particle in a blue solution of Cu²+ (aq) would rapidly acquire a copper coating; meanwhile the colour of the solution would fade as the copper precipates.
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