When excess aqueous ammonia is added to copper(II)sulphate (aq), the initial pale blue precipitate dissolves to give a __________ solution.Please fill in this blank by using the missing colour.

Expert Answers
pamsuegun eNotes educator| Certified Educator

A deep blue solution would be formed.  Adding excess ammonia allows the precipate to dissolve.  The Copper combines with the ammonia to form Tetraamminediaquacopper(II) which is deep blue.

         

Access hundreds of thousands of answers with a free trial.

Start Free Trial
Ask a Question