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.

Asked on by sandali

1 Answer | Add Yours

Top Answer

pamsuegun's profile pic

pamsuegun | Middle School Teacher | (Level 2) Adjunct Educator

Posted on

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.


We’ve answered 320,037 questions. We can answer yours, too.

Ask a question