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If the freezing point of a 0.01 molal aq...

If the freezing point of a `0.01` molal aqueous solution of a cobalt (III) chloride-ammonia complex (which behaves as a strong electrolyte) is `-0.0558^(@)C`, the number of chloride (s) in the coordination sphere of the complex if `[K_(f)` of water `=1.86 K kg mol^(-1)]`

Text Solution

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`DeltaT_(f)=iK_(f)m=ixx1.86xx0.01=0.0558`
`i=0.0558/0.0186~~3`
Hence the complex is `Co[(NH_(3))_(5)Cl]Cl_(2)`
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