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Arrange the following complexes in decre...

Arrange the following complexes in decreasing order of their electrical conductance : `[CoCl(NH_(3))_(5)]Cl_(2), [CoCl_(2)(NH_(3))_(4)]Cl, [Co(NH_(3))_(6)]Cl_(3),[CoCl_(3)(NH_(3))_(3)]`

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Electrical conductance of the given complexes depends on the number of ions formed by their ionisation. The number of ions formed from each of these molecules 3, 2, 4 and 0, respectively. Hence, the decreasing order of their electrical conductance is :
`[Co(NH_(3))_(6)]Cl_(2) gt [CoCl(NH_(3))_(5)]Cl_(2) gt [CoCl_(2)(NH_(3))_(4)]Cl gt [CoCl_(3)(NH_(3))_(3)]`
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