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A complex is represented as CoCl(3)xNH(3...

A complex is represented as `CoCl_(3)xNH_(3)`. Its 0.1 molal solution inwater shows `/_\T_(f) =0.558 k`.` K_(f) "For"H_(2)O` is 1.86 `" molality"^(-1)`. Assumeing 100% ionisation of camplex and co-ordination number of co is six, calculate formula of complex:

A

`[Co(H_(2)O)_(4)Cl]Cl_(2)`

B

`[Co(H_(2)O)_(4)Cl_(2)]Cl`

C

`[Co(H_(2)O)_(6)]Cl_(3)`

D

`[Co(H_(2)O)_(5)Cl]Cl_(2)`

Text Solution

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The correct Answer is:
D
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