MCQ
The most stable complex among the following is
- A${K_3}[Al{({C_2}{O_4})_3}]$
- B$[Pt{(en)_2}]C{l_2}$
- C$Ag{(N{H_3})_2}Cl$
- ✓${K_2}(Ni(EDTA)]$
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$(I)$ ${P_4} + S{O_2}C{l_2} \to $
$(II)$ ${P_4} + SOC{l_2} \to $
$(III)$ $PC{l_5} + S{O_2} \to $
$(IV)$ $PC{l_5} + {C_2}{H_5}OH \to $


$1.\,\,CH_3-C \equiv C -CH_3$
$2.\,\,CH_3 - CH_2 - CH_2 - CH_3$
$3. \,\,CH_3 - CH_2C \equiv CH$
$4.\,\,CH_3 - CH = CH_2$