1.

The magnetic moment for two complexes of empirical formula Ni(NH_(3))_(4)(NO_(3))_(2).2H_(2)O is zero and 2.84 BM respectively. The second complex is not a netural complex. The correct formula and geometry of the first complex is :

Answer»

`[Ni(H_(2)O)_(2)(NO_(3))_(2).4NH_(3)`,tetrahedral
`[Ni(NH_(3))_(4)](CO)_(3))_(2).2H_(2)O`,tetrahedral
`[Ni(NH_(3))_(4)](NO_(3))_(2).2H_(2)O`,square planar
`[Ni(NH_(3))_(4)](H_(2)O)_(2)](NO_(3))_(2)`, octahedral

Answer :C


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