A reddish brown metal nail is added to silver nitrate solution .The colourless silver nitrate solution gradually changed into a blue coloured solution. 6.(a) .Name the solution produced. (b)write the chemical equation for the reaction. ©what type of chemical reaction is it?
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The solution at the end of the experiment is a characteristic blue colour. This is because of the presence of copper nitrate, which appears blue because of its ability to absorb the white light that passes through a solution. This happens with most transition metals.
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Metal which is reddish brown is copper .
Copper metal nail is added to silver nitrate solution, then it forms copper nitrate solution which is blue in colour and silver is formed.
The balanced chemical equation is :
Cu + 2AgNO3 ----> Cu(NO3)2+ 2Ag
The above chemical reaction is displacement reaction where Cu being more reactive than silver displaces, Silver from silver nitrate solution.
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