Question

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

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

Answer 1

Answer: (A)

$\text{A}{\text{l}}^{\text{3 +}}$

Aluminium is a $p-$blocks element and does not from complex compounds.