# Which one of the following will give a white precipitate with $AgNO_3$ in aqueous medium Option 1) $[Co(NH_3)_5Cl](NO_2)_2$ Option 2) $[Pt(NH_3)_2 Cl_2]$ Option 3) $[Pt(en)Cl_2]$ Option 4) $[Pt(NH_3)_4]Cl_2$

P Plabita

As we have learned

Werner Theory -

This theory was the first  to tell about bonding in coordinate complexes

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$[Pt(NH_3)_4]Cl_2\rightarrow [Pt(NH_3)_4]^{+2}+2Cl^{-}$

As it gives $Cl^{-}$ ions in solution so it will give white ppt. of $AgCl$with $AgNO_{3}$.

Option 1)

$[Co(NH_3)_5Cl](NO_2)_2$

Option 2)

$[Pt(NH_3)_2 Cl_2]$

Option 3)

$[Pt(en)Cl_2]$

Option 4)

$[Pt(NH_3)_4]Cl_2$

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