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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$(a)$ $K_2PtCl_6$ $(b)$ $PtCl_4 . 2NH_3$
$(c)$ $PtCl_4 . 3NH_3$ $(d)$ $PtCl_4 . 5NH_3$
Their electrical conductances in aqueous solutions are