MCQ
The cation that does not form an amine complex with excess of ammonia is
- A$C{d^{2 + }}$
- ✓$A{l^{3 + }}$
- C$C{u^{2 + }}$
- D$A{g^ + }$
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$\begin{array}{*{20}{c}}
{C{H_3} - CH - CH - C{H_2} - C{H_3}} \\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,CN\,\,\,\,\,\,\,\,\,CH = C{H_2}\,\,}
\end{array}$