Answer to Question #167904 in General Chemistry for Aly

Question #167904

Use the activity series to predict if there will be a reaction in the following cases. If a reaction does not occur write “no reaction”, but if a reaction occurs, write a balanced equation.



Cu + Al2(SO4)3  


Al + Pb(NO3)2 →  


Cl2 + NaI →


 Al + CuCl2 → 


 Br2 + CaI2


1
Expert's answer
2021-03-02T01:05:09-0500

Cu + Al2(SO4)3 This reaction does not occur under the normal conditions, because Al is more reactive than Cu.

The reaction should go in the reverse:

3 Cu + Al2(SO4)3 "\\to" 2 Al + 3 CuSO4


Al + Pb(NO3)2 "\\to" Pb + Al(NO3)2


Cl2 + 2 NaI "\\to" 2NaCl + I2


2 Al + 3 CuCl2 "\\to" 2 AlCl3 + 3 Cu


Br2 + CaI2 "\\to" CaBr2 + I2


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