Question

The cation that does not form an ammine complex with excess of ammonia is

• A. $A{I}^{3+}$
• B. $A{g}^{+}$
• C. $C{u}^{2+}$
• D. $C{d}^{2+}$

Answer 1

Answer: (A)

$A{l}^{3+}$ does not form complexes with $N{H}_3$.