What occurs when copper(II) oxide is treated with sulfuric acid?

1 Answer
Aug 28, 2016


The oxide should go up into solution to give a beautiful blue colour.


#CuO(s) + H_2SO_4(aq) rarr Cu^(2+) + SO_4^(2-) + H_2O#

The #Cu^(2+)# ion in water (probably #Cu(OH_2)_6^(2+)#) gives a truly beautiful blue colour, from which large macroscopic crystals can be obtained.