The spin only magnetic moment value of an octhahedral complex among CoCl3.4NH3, NiCl2.6H2O and PtCl4.2HCl, which upon reaction with excess of AgNO3 gives 2 moles of AgCl is____________B. M. (Nearest integer)

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    alok kumar singh | Contributor-Level 10

    4 weeks ago

    For precipitation of two moles of AgCl

    Two Cl- will produce as a free anion

    CoCl3.4NH3 -> complex will [ C O ( N H 3 ) 4 C l 2 ]  Cl (will not give 2Cl-)

    P t C l 4 . 2 H C l  complex will be H2 [PtCl6] will not any Cl-

    N i C l 2 . 6 H 2 O [ N i ( H 2 O ) 6 ] C l 2  will produce two Cl- ion.

    [ N i ( H 2 O ) 6 ] + + + 2 C l A g N O 3 2 A g C l ( s )  precipitate formation

    N i 2 + [ A r ] 3 d 8 4 s 0  

     

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