Answer to Question #16399 in Inorganic Chemistry for kenneth mcdonald

Question

Described an experiemental method, which may be used in a school laboratory, to establish the complex ion ,(cu(NH3)n)2+

Answer 1

You must prepare Cu(OH)2 and NH3

CuCl2 + NaCl---->NaCl +
Cu(OH)2

NH4Cl+NaOH------>NH3 + NaCl
resulting ammonia gas pass
through the solution Cu(OH)2

Cu(OH)2 +n NH3 --->(Cu(NH3)n)(OH)2