1.

One mole of Co(NH_(3))_(5)Cl_(3) gives 3 moles of ions on dissolution in water. One mole of this reacts with two moles of AgNO_(3) to give two moles of AgCl. The complex is :

Answer»

`[Co(NH_(3))_(4)Cl_(2)]Cl.NH_(3)`
`[Co(NH_(3))_(4)Cl]Cl_(2).NH_(3)`
`[Co(NH_(3))_(5)Cl]Cl_(2)`
`[Co(NH_(3))_(3)Cl_(3)].2NH_(3)`

ANSWER :C


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