Question

on adding aqueous solution of sodium hydroxide to an aqueous solution of copper sulfate copper hydroxide is precipitated and sodium sulfate remains in solution​

Answer 1

Explanation:

When caustic soda solution is added to copper sulphate solution, the following reaction takes place:

CuSO

4

(aq)+NaOH(aq)→Cu(OH)

2

(s)+Na

2

SO

4

(aq)

The copper hydroxide precipitate formed can be filtered off as the sodium sulphate is present in the solution in the soluble form.