Write balanced equations of all the reactions of known metals that occur in this

Question

Write balanced equations of all the reactions of known metals that occur in this experiment. Write “No reaction” if reaction does not occur. What happens when Cu react with each solution?. you can write: gas evolved, Precipitate formed (include color), Heat evolved, Heat absorbed, No reaction, Slow reaction, Rapid reaction, etc.

Cu (s)     +       Mg(NO3)2 (aq)

Cu (s)    +       Pb(NO3)2 (aq)

Cu (s)     +      Zn(NO3)2 (aq)

Cu (s)     +       Fe(NO3)3 (aq)

Cu (s)     +      AgNO3 (aq)

Cu (s)    +        H2SO4 (aq)

Explanation / Answer

Cu (s)     +       Mg(NO3)2 (aq) -------------------> No reaction

Cu (s)    +       Pb(NO3)2 (aq) -------------------> No reaction

Cu (s)     +      Zn(NO3)2 (aq) -------------------> No reaction

Cu (s)     +       Fe(NO3)3 (aq) -------------------> No reaction

Cu (s)     +      2 AgNO3 (aq) ----------------> 2Ag (s) + Cu(NO3)2 (aq) : Precipitate formed

Cu (s)    +        H2SO4 (aq) ------------------> CuSO4 (aq) + H2 (g)    : gas evolved

Fe, Pb,Zn , Mg are lesser electrode potential or more reactive than Cu. so they cannot react with copper

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